From 00c9709fd9763542e848f6278db8ba26af5c9886 Mon Sep 17 00:00:00 2001
From: Max
Date: Mon, 15 Oct 2018 23:46:42 +0200
Subject: Initial commit.

---
 js/core.js       |  497 +++++
 js/customizer.js |   42 +
 js/popper.js     | 2540 +++++++++++++++++++++
 js/popper.min.js |    5 +
 js/theme.js      | 6540 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 js/theme.min.js  |    1 +
 6 files changed, 9625 insertions(+)
 create mode 100644 js/core.js
 create mode 100644 js/customizer.js
 create mode 100644 js/popper.js
 create mode 100644 js/popper.min.js
 create mode 100644 js/theme.js
 create mode 100644 js/theme.min.js

(limited to 'js')

diff --git a/js/core.js b/js/core.js
new file mode 100644
index 0000000..3e49842
--- /dev/null
+++ b/js/core.js
@@ -0,0 +1,497 @@
+/* global Symbol */
+// Defining this global in .eslintrc.json would create a danger of using the global
+// unguarded in another place, it seems safer to define global only for this module
+
+define( [
+	"./var/arr",
+	"./var/document",
+	"./var/getProto",
+	"./var/slice",
+	"./var/concat",
+	"./var/push",
+	"./var/indexOf",
+	"./var/class2type",
+	"./var/toString",
+	"./var/hasOwn",
+	"./var/fnToString",
+	"./var/ObjectFunctionString",
+	"./var/support",
+	"./core/DOMEval"
+], function( arr, document, getProto, slice, concat, push, indexOf,
+	class2type, toString, hasOwn, fnToString, ObjectFunctionString,
+	support, DOMEval ) {
+
+"use strict";
+
+var
+	version = "3.2.1",
+
+	// Define a local copy of jQuery
+	jQuery = function( selector, context ) {
+
+		// The jQuery object is actually just the init constructor 'enhanced'
+		// Need init if jQuery is called (just allow error to be thrown if not included)
+		return new jQuery.fn.init( selector, context );
+	},
+
+	// Support: Android <=4.0 only
+	// Make sure we trim BOM and NBSP
+	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
+
+	// Matches dashed string for camelizing
+	rmsPrefix = /^-ms-/,
+	rdashAlpha = /-([a-z])/g,
+
+	// Used by jQuery.camelCase as callback to replace()
+	fcamelCase = function( all, letter ) {
+		return letter.toUpperCase();
+	};
+
+jQuery.fn = jQuery.prototype = {
+
+	// The current version of jQuery being used
+	jquery: version,
+
+	constructor: jQuery,
+
+	// The default length of a jQuery object is 0
+	length: 0,
+
+	toArray: function() {
+		return slice.call( this );
+	},
+
+	// Get the Nth element in the matched element set OR
+	// Get the whole matched element set as a clean array
+	get: function( num ) {
+
+		// Return all the elements in a clean array
+		if ( num == null ) {
+			return slice.call( this );
+		}
+
+		// Return just the one element from the set
+		return num < 0 ? this[ num + this.length ] : this[ num ];
+	},
+
+	// Take an array of elements and push it onto the stack
+	// (returning the new matched element set)
+	pushStack: function( elems ) {
+
+		// Build a new jQuery matched element set
+		var ret = jQuery.merge( this.constructor(), elems );
+
+		// Add the old object onto the stack (as a reference)
+		ret.prevObject = this;
+
+		// Return the newly-formed element set
+		return ret;
+	},
+
+	// Execute a callback for every element in the matched set.
+	each: function( callback ) {
+		return jQuery.each( this, callback );
+	},
+
+	map: function( callback ) {
+		return this.pushStack( jQuery.map( this, function( elem, i ) {
+			return callback.call( elem, i, elem );
+		} ) );
+	},
+
+	slice: function() {
+		return this.pushStack( slice.apply( this, arguments ) );
+	},
+
+	first: function() {
+		return this.eq( 0 );
+	},
+
+	last: function() {
+		return this.eq( -1 );
+	},
+
+	eq: function( i ) {
+		var len = this.length,
+			j = +i + ( i < 0 ? len : 0 );
+		return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
+	},
+
+	end: function() {
+		return this.prevObject || this.constructor();
+	},
+
+	// For internal use only.
+	// Behaves like an Array's method, not like a jQuery method.
+	push: push,
+	sort: arr.sort,
+	splice: arr.splice
+};
+
+jQuery.extend = jQuery.fn.extend = function() {
+	var options, name, src, copy, copyIsArray, clone,
+		target = arguments[ 0 ] || {},
+		i = 1,
+		length = arguments.length,
+		deep = false;
+
+	// Handle a deep copy situation
+	if ( typeof target === "boolean" ) {
+		deep = target;
+
+		// Skip the boolean and the target
+		target = arguments[ i ] || {};
+		i++;
+	}
+
+	// Handle case when target is a string or something (possible in deep copy)
+	if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
+		target = {};
+	}
+
+	// Extend jQuery itself if only one argument is passed
+	if ( i === length ) {
+		target = this;
+		i--;
+	}
+
+	for ( ; i < length; i++ ) {
+
+		// Only deal with non-null/undefined values
+		if ( ( options = arguments[ i ] ) != null ) {
+
+			// Extend the base object
+			for ( name in options ) {
+				src = target[ name ];
+				copy = options[ name ];
+
+				// Prevent never-ending loop
+				if ( target === copy ) {
+					continue;
+				}
+
+				// Recurse if we're merging plain objects or arrays
+				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
+					( copyIsArray = Array.isArray( copy ) ) ) ) {
+
+					if ( copyIsArray ) {
+						copyIsArray = false;
+						clone = src && Array.isArray( src ) ? src : [];
+
+					} else {
+						clone = src && jQuery.isPlainObject( src ) ? src : {};
+					}
+
+					// Never move original objects, clone them
+					target[ name ] = jQuery.extend( deep, clone, copy );
+
+				// Don't bring in undefined values
+				} else if ( copy !== undefined ) {
+					target[ name ] = copy;
+				}
+			}
+		}
+	}
+
+	// Return the modified object
+	return target;
+};
+
+jQuery.extend( {
+
+	// Unique for each copy of jQuery on the page
+	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
+
+	// Assume jQuery is ready without the ready module
+	isReady: true,
+
+	error: function( msg ) {
+		throw new Error( msg );
+	},
+
+	noop: function() {},
+
+	isFunction: function( obj ) {
+		return jQuery.type( obj ) === "function";
+	},
+
+	isWindow: function( obj ) {
+		return obj != null && obj === obj.window;
+	},
+
+	isNumeric: function( obj ) {
+
+		// As of jQuery 3.0, isNumeric is limited to
+		// strings and numbers (primitives or objects)
+		// that can be coerced to finite numbers (gh-2662)
+		var type = jQuery.type( obj );
+		return ( type === "number" || type === "string" ) &&
+
+			// parseFloat NaNs numeric-cast false positives ("")
+			// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
+			// subtraction forces infinities to NaN
+			!isNaN( obj - parseFloat( obj ) );
+	},
+
+	isPlainObject: function( obj ) {
+		var proto, Ctor;
+
+		// Detect obvious negatives
+		// Use toString instead of jQuery.type to catch host objects
+		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
+			return false;
+		}
+
+		proto = getProto( obj );
+
+		// Objects with no prototype (e.g., `Object.create( null )`) are plain
+		if ( !proto ) {
+			return true;
+		}
+
+		// Objects with prototype are plain iff they were constructed by a global Object function
+		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
+		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
+	},
+
+	isEmptyObject: function( obj ) {
+
+		/* eslint-disable no-unused-vars */
+		// See https://github.com/eslint/eslint/issues/6125
+		var name;
+
+		for ( name in obj ) {
+			return false;
+		}
+		return true;
+	},
+
+	type: function( obj ) {
+		if ( obj == null ) {
+			return obj + "";
+		}
+
+		// Support: Android <=2.3 only (functionish RegExp)
+		return typeof obj === "object" || typeof obj === "function" ?
+			class2type[ toString.call( obj ) ] || "object" :
+			typeof obj;
+	},
+
+	// Evaluates a script in a global context
+	globalEval: function( code ) {
+		DOMEval( code );
+	},
+
+	// Convert dashed to camelCase; used by the css and data modules
+	// Support: IE <=9 - 11, Edge 12 - 13
+	// Microsoft forgot to hump their vendor prefix (#9572)
+	camelCase: function( string ) {
+		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
+	},
+
+	each: function( obj, callback ) {
+		var length, i = 0;
+
+		if ( isArrayLike( obj ) ) {
+			length = obj.length;
+			for ( ; i < length; i++ ) {
+				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
+					break;
+				}
+			}
+		} else {
+			for ( i in obj ) {
+				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
+					break;
+				}
+			}
+		}
+
+		return obj;
+	},
+
+	// Support: Android <=4.0 only
+	trim: function( text ) {
+		return text == null ?
+			"" :
+			( text + "" ).replace( rtrim, "" );
+	},
+
+	// results is for internal usage only
+	makeArray: function( arr, results ) {
+		var ret = results || [];
+
+		if ( arr != null ) {
+			if ( isArrayLike( Object( arr ) ) ) {
+				jQuery.merge( ret,
+					typeof arr === "string" ?
+					[ arr ] : arr
+				);
+			} else {
+				push.call( ret, arr );
+			}
+		}
+
+		return ret;
+	},
+
+	inArray: function( elem, arr, i ) {
+		return arr == null ? -1 : indexOf.call( arr, elem, i );
+	},
+
+	// Support: Android <=4.0 only, PhantomJS 1 only
+	// push.apply(_, arraylike) throws on ancient WebKit
+	merge: function( first, second ) {
+		var len = +second.length,
+			j = 0,
+			i = first.length;
+
+		for ( ; j < len; j++ ) {
+			first[ i++ ] = second[ j ];
+		}
+
+		first.length = i;
+
+		return first;
+	},
+
+	grep: function( elems, callback, invert ) {
+		var callbackInverse,
+			matches = [],
+			i = 0,
+			length = elems.length,
+			callbackExpect = !invert;
+
+		// Go through the array, only saving the items
+		// that pass the validator function
+		for ( ; i < length; i++ ) {
+			callbackInverse = !callback( elems[ i ], i );
+			if ( callbackInverse !== callbackExpect ) {
+				matches.push( elems[ i ] );
+			}
+		}
+
+		return matches;
+	},
+
+	// arg is for internal usage only
+	map: function( elems, callback, arg ) {
+		var length, value,
+			i = 0,
+			ret = [];
+
+		// Go through the array, translating each of the items to their new values
+		if ( isArrayLike( elems ) ) {
+			length = elems.length;
+			for ( ; i < length; i++ ) {
+				value = callback( elems[ i ], i, arg );
+
+				if ( value != null ) {
+					ret.push( value );
+				}
+			}
+
+		// Go through every key on the object,
+		} else {
+			for ( i in elems ) {
+				value = callback( elems[ i ], i, arg );
+
+				if ( value != null ) {
+					ret.push( value );
+				}
+			}
+		}
+
+		// Flatten any nested arrays
+		return concat.apply( [], ret );
+	},
+
+	// A global GUID counter for objects
+	guid: 1,
+
+	// Bind a function to a context, optionally partially applying any
+	// arguments.
+	proxy: function( fn, context ) {
+		var tmp, args, proxy;
+
+		if ( typeof context === "string" ) {
+			tmp = fn[ context ];
+			context = fn;
+			fn = tmp;
+		}
+
+		// Quick check to determine if target is callable, in the spec
+		// this throws a TypeError, but we will just return undefined.
+		if ( !jQuery.isFunction( fn ) ) {
+			return undefined;
+		}
+
+		// Simulated bind
+		args = slice.call( arguments, 2 );
+		proxy = function() {
+			return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
+		};
+
+		// Set the guid of unique handler to the same of original handler, so it can be removed
+		proxy.guid = fn.guid = fn.guid || jQuery.guid++;
+
+		return proxy;
+	},
+
+	now: Date.now,
+
+	// jQuery.support is not used in Core but other projects attach their
+	// properties to it so it needs to exist.
+	support: support
+} );
+
+if ( typeof Symbol === "function" ) {
+	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
+}
+
+// Populate the class2type map
+jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
+function( i, name ) {
+	class2type[ "[object " + name + "]" ] = name.toLowerCase();
+} );
+
+function isArrayLike( obj ) {
+
+	// Support: real iOS 8.2 only (not reproducible in simulator)
+	// `in` check used to prevent JIT error (gh-2145)
+	// hasOwn isn't used here due to false negatives
+	// regarding Nodelist length in IE
+	var length = !!obj && "length" in obj && obj.length,
+		type = jQuery.type( obj );
+
+	if ( type === "function" || jQuery.isWindow( obj ) ) {
+		return false;
+	}
+
+	return type === "array" || length === 0 ||
+		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
+}
+
+return jQuery;
+} );
+$(document).ready(function(){
+	console.log("…preparing scroll button");
+     $(window).scroll(function () {
+            if ($(this).scrollTop() > 50) {
+                $('#back-to-top').fadeIn();
+            } else {
+                $('#back-to-top').fadeOut();
+            }
+        });
+        // scroll body to 0px on click
+        $('#back-to-top').click(function () {
+            $('#back-to-top').tooltip('hide');
+            $('body,html').animate({
+                scrollTop: 0
+            }, 800);
+            return false;
+        });
+        
+        $('#back-to-top').tooltip('show');
+
+});
diff --git a/js/customizer.js b/js/customizer.js
new file mode 100644
index 0000000..4351a33
--- /dev/null
+++ b/js/customizer.js
@@ -0,0 +1,42 @@
+/**
+ * File customizer.js.
+ *
+ * Theme Customizer enhancements for a better user experience.
+ *
+ * Contains handlers to make Theme Customizer preview reload changes asynchronously.
+ */
+
+( function( $ ) {
+
+	// Site title and description.
+	wp.customize( 'blogname', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-title a' ).text( to );
+		} );
+	} );
+	wp.customize( 'blogdescription', function( value ) {
+		value.bind( function( to ) {
+			$( '.site-description' ).text( to );
+		} );
+	} );
+
+	// Header text color.
+	wp.customize( 'header_textcolor', function( value ) {
+		value.bind( function( to ) {
+			if ( 'blank' === to ) {
+				$( '.site-title a, .site-description' ).css( {
+					'clip': 'rect(1px, 1px, 1px, 1px)',
+					'position': 'absolute'
+				} );
+			} else {
+				$( '.site-title a, .site-description' ).css( {
+					'clip': 'auto',
+					'position': 'relative'
+				} );
+				$( '.site-title a, .site-description' ).css( {
+					'color': to
+				} );
+			}
+		} );
+	} );
+} )( jQuery );
diff --git a/js/popper.js b/js/popper.js
new file mode 100644
index 0000000..a6c9c07
--- /dev/null
+++ b/js/popper.js
@@ -0,0 +1,2540 @@
+/**!
+ * @fileOverview Kickass library to create and place poppers near their reference elements.
+ * @version 1.14.4
+ * @license
+ * Copyright (c) 2016 Federico Zivolo and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+	typeof define === 'function' && define.amd ? define(factory) :
+	(global.Popper = factory());
+}(this, (function () { 'use strict';
+
+var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined';
+
+var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];
+var timeoutDuration = 0;
+for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {
+  if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {
+    timeoutDuration = 1;
+    break;
+  }
+}
+
+function microtaskDebounce(fn) {
+  var called = false;
+  return function () {
+    if (called) {
+      return;
+    }
+    called = true;
+    window.Promise.resolve().then(function () {
+      called = false;
+      fn();
+    });
+  };
+}
+
+function taskDebounce(fn) {
+  var scheduled = false;
+  return function () {
+    if (!scheduled) {
+      scheduled = true;
+      setTimeout(function () {
+        scheduled = false;
+        fn();
+      }, timeoutDuration);
+    }
+  };
+}
+
+var supportsMicroTasks = isBrowser && window.Promise;
+
+/**
+* Create a debounced version of a method, that's asynchronously deferred
+* but called in the minimum time possible.
+*
+* @method
+* @memberof Popper.Utils
+* @argument {Function} fn
+* @returns {Function}
+*/
+var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;
+
+/**
+ * Check if the given variable is a function
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Any} functionToCheck - variable to check
+ * @returns {Boolean} answer to: is a function?
+ */
+function isFunction(functionToCheck) {
+  var getType = {};
+  return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
+}
+
+/**
+ * Get CSS computed property of the given element
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Eement} element
+ * @argument {String} property
+ */
+function getStyleComputedProperty(element, property) {
+  if (element.nodeType !== 1) {
+    return [];
+  }
+  // NOTE: 1 DOM access here
+  var css = getComputedStyle(element, null);
+  return property ? css[property] : css;
+}
+
+/**
+ * Returns the parentNode or the host of the element
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element
+ * @returns {Element} parent
+ */
+function getParentNode(element) {
+  if (element.nodeName === 'HTML') {
+    return element;
+  }
+  return element.parentNode || element.host;
+}
+
+/**
+ * Returns the scrolling parent of the given element
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element
+ * @returns {Element} scroll parent
+ */
+function getScrollParent(element) {
+  // Return body, `getScroll` will take care to get the correct `scrollTop` from it
+  if (!element) {
+    return document.body;
+  }
+
+  switch (element.nodeName) {
+    case 'HTML':
+    case 'BODY':
+      return element.ownerDocument.body;
+    case '#document':
+      return element.body;
+  }
+
+  // Firefox want us to check `-x` and `-y` variations as well
+
+  var _getStyleComputedProp = getStyleComputedProperty(element),
+      overflow = _getStyleComputedProp.overflow,
+      overflowX = _getStyleComputedProp.overflowX,
+      overflowY = _getStyleComputedProp.overflowY;
+
+  if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) {
+    return element;
+  }
+
+  return getScrollParent(getParentNode(element));
+}
+
+var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode);
+var isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent);
+
+/**
+ * Determines if the browser is Internet Explorer
+ * @method
+ * @memberof Popper.Utils
+ * @param {Number} version to check
+ * @returns {Boolean} isIE
+ */
+function isIE(version) {
+  if (version === 11) {
+    return isIE11;
+  }
+  if (version === 10) {
+    return isIE10;
+  }
+  return isIE11 || isIE10;
+}
+
+/**
+ * Returns the offset parent of the given element
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element
+ * @returns {Element} offset parent
+ */
+function getOffsetParent(element) {
+  if (!element) {
+    return document.documentElement;
+  }
+
+  var noOffsetParent = isIE(10) ? document.body : null;
+
+  // NOTE: 1 DOM access here
+  var offsetParent = element.offsetParent;
+  // Skip hidden elements which don't have an offsetParent
+  while (offsetParent === noOffsetParent && element.nextElementSibling) {
+    offsetParent = (element = element.nextElementSibling).offsetParent;
+  }
+
+  var nodeName = offsetParent && offsetParent.nodeName;
+
+  if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {
+    return element ? element.ownerDocument.documentElement : document.documentElement;
+  }
+
+  // .offsetParent will return the closest TD or TABLE in case
+  // no offsetParent is present, I hate this job...
+  if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {
+    return getOffsetParent(offsetParent);
+  }
+
+  return offsetParent;
+}
+
+function isOffsetContainer(element) {
+  var nodeName = element.nodeName;
+
+  if (nodeName === 'BODY') {
+    return false;
+  }
+  return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;
+}
+
+/**
+ * Finds the root node (document, shadowDOM root) of the given element
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} node
+ * @returns {Element} root node
+ */
+function getRoot(node) {
+  if (node.parentNode !== null) {
+    return getRoot(node.parentNode);
+  }
+
+  return node;
+}
+
+/**
+ * Finds the offset parent common to the two provided nodes
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element1
+ * @argument {Element} element2
+ * @returns {Element} common offset parent
+ */
+function findCommonOffsetParent(element1, element2) {
+  // This check is needed to avoid errors in case one of the elements isn't defined for any reason
+  if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {
+    return document.documentElement;
+  }
+
+  // Here we make sure to give as "start" the element that comes first in the DOM
+  var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;
+  var start = order ? element1 : element2;
+  var end = order ? element2 : element1;
+
+  // Get common ancestor container
+  var range = document.createRange();
+  range.setStart(start, 0);
+  range.setEnd(end, 0);
+  var commonAncestorContainer = range.commonAncestorContainer;
+
+  // Both nodes are inside #document
+
+  if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {
+    if (isOffsetContainer(commonAncestorContainer)) {
+      return commonAncestorContainer;
+    }
+
+    return getOffsetParent(commonAncestorContainer);
+  }
+
+  // one of the nodes is inside shadowDOM, find which one
+  var element1root = getRoot(element1);
+  if (element1root.host) {
+    return findCommonOffsetParent(element1root.host, element2);
+  } else {
+    return findCommonOffsetParent(element1, getRoot(element2).host);
+  }
+}
+
+/**
+ * Gets the scroll value of the given element in the given side (top and left)
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element
+ * @argument {String} side `top` or `left`
+ * @returns {number} amount of scrolled pixels
+ */
+function getScroll(element) {
+  var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';
+
+  var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';
+  var nodeName = element.nodeName;
+
+  if (nodeName === 'BODY' || nodeName === 'HTML') {
+    var html = element.ownerDocument.documentElement;
+    var scrollingElement = element.ownerDocument.scrollingElement || html;
+    return scrollingElement[upperSide];
+  }
+
+  return element[upperSide];
+}
+
+/*
+ * Sum or subtract the element scroll values (left and top) from a given rect object
+ * @method
+ * @memberof Popper.Utils
+ * @param {Object} rect - Rect object you want to change
+ * @param {HTMLElement} element - The element from the function reads the scroll values
+ * @param {Boolean} subtract - set to true if you want to subtract the scroll values
+ * @return {Object} rect - The modifier rect object
+ */
+function includeScroll(rect, element) {
+  var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+  var scrollTop = getScroll(element, 'top');
+  var scrollLeft = getScroll(element, 'left');
+  var modifier = subtract ? -1 : 1;
+  rect.top += scrollTop * modifier;
+  rect.bottom += scrollTop * modifier;
+  rect.left += scrollLeft * modifier;
+  rect.right += scrollLeft * modifier;
+  return rect;
+}
+
+/*
+ * Helper to detect borders of a given element
+ * @method
+ * @memberof Popper.Utils
+ * @param {CSSStyleDeclaration} styles
+ * Result of `getStyleComputedProperty` on the given element
+ * @param {String} axis - `x` or `y`
+ * @return {number} borders - The borders size of the given axis
+ */
+
+function getBordersSize(styles, axis) {
+  var sideA = axis === 'x' ? 'Left' : 'Top';
+  var sideB = sideA === 'Left' ? 'Right' : 'Bottom';
+
+  return parseFloat(styles['border' + sideA + 'Width'], 10) + parseFloat(styles['border' + sideB + 'Width'], 10);
+}
+
+function getSize(axis, body, html, computedStyle) {
+  return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE(10) ? parseInt(html['offset' + axis]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')]) : 0);
+}
+
+function getWindowSizes(document) {
+  var body = document.body;
+  var html = document.documentElement;
+  var computedStyle = isIE(10) && getComputedStyle(html);
+
+  return {
+    height: getSize('Height', body, html, computedStyle),
+    width: getSize('Width', body, html, computedStyle)
+  };
+}
+
+var classCallCheck = function (instance, Constructor) {
+  if (!(instance instanceof Constructor)) {
+    throw new TypeError("Cannot call a class as a function");
+  }
+};
+
+var createClass = function () {
+  function defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  return function (Constructor, protoProps, staticProps) {
+    if (protoProps) defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) defineProperties(Constructor, staticProps);
+    return Constructor;
+  };
+}();
+
+
+
+
+
+var defineProperty = function (obj, key, value) {
+  if (key in obj) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+  } else {
+    obj[key] = value;
+  }
+
+  return obj;
+};
+
+var _extends = Object.assign || function (target) {
+  for (var i = 1; i < arguments.length; i++) {
+    var source = arguments[i];
+
+    for (var key in source) {
+      if (Object.prototype.hasOwnProperty.call(source, key)) {
+        target[key] = source[key];
+      }
+    }
+  }
+
+  return target;
+};
+
+/**
+ * Given element offsets, generate an output similar to getBoundingClientRect
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Object} offsets
+ * @returns {Object} ClientRect like output
+ */
+function getClientRect(offsets) {
+  return _extends({}, offsets, {
+    right: offsets.left + offsets.width,
+    bottom: offsets.top + offsets.height
+  });
+}
+
+/**
+ * Get bounding client rect of given element
+ * @method
+ * @memberof Popper.Utils
+ * @param {HTMLElement} element
+ * @return {Object} client rect
+ */
+function getBoundingClientRect(element) {
+  var rect = {};
+
+  // IE10 10 FIX: Please, don't ask, the element isn't
+  // considered in DOM in some circumstances...
+  // This isn't reproducible in IE10 compatibility mode of IE11
+  try {
+    if (isIE(10)) {
+      rect = element.getBoundingClientRect();
+      var scrollTop = getScroll(element, 'top');
+      var scrollLeft = getScroll(element, 'left');
+      rect.top += scrollTop;
+      rect.left += scrollLeft;
+      rect.bottom += scrollTop;
+      rect.right += scrollLeft;
+    } else {
+      rect = element.getBoundingClientRect();
+    }
+  } catch (e) {}
+
+  var result = {
+    left: rect.left,
+    top: rect.top,
+    width: rect.right - rect.left,
+    height: rect.bottom - rect.top
+  };
+
+  // subtract scrollbar size from sizes
+  var sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {};
+  var width = sizes.width || element.clientWidth || result.right - result.left;
+  var height = sizes.height || element.clientHeight || result.bottom - result.top;
+
+  var horizScrollbar = element.offsetWidth - width;
+  var vertScrollbar = element.offsetHeight - height;
+
+  // if an hypothetical scrollbar is detected, we must be sure it's not a `border`
+  // we make this check conditional for performance reasons
+  if (horizScrollbar || vertScrollbar) {
+    var styles = getStyleComputedProperty(element);
+    horizScrollbar -= getBordersSize(styles, 'x');
+    vertScrollbar -= getBordersSize(styles, 'y');
+
+    result.width -= horizScrollbar;
+    result.height -= vertScrollbar;
+  }
+
+  return getClientRect(result);
+}
+
+function getOffsetRectRelativeToArbitraryNode(children, parent) {
+  var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+  var isIE10 = isIE(10);
+  var isHTML = parent.nodeName === 'HTML';
+  var childrenRect = getBoundingClientRect(children);
+  var parentRect = getBoundingClientRect(parent);
+  var scrollParent = getScrollParent(children);
+
+  var styles = getStyleComputedProperty(parent);
+  var borderTopWidth = parseFloat(styles.borderTopWidth, 10);
+  var borderLeftWidth = parseFloat(styles.borderLeftWidth, 10);
+
+  // In cases where the parent is fixed, we must ignore negative scroll in offset calc
+  if (fixedPosition && isHTML) {
+    parentRect.top = Math.max(parentRect.top, 0);
+    parentRect.left = Math.max(parentRect.left, 0);
+  }
+  var offsets = getClientRect({
+    top: childrenRect.top - parentRect.top - borderTopWidth,
+    left: childrenRect.left - parentRect.left - borderLeftWidth,
+    width: childrenRect.width,
+    height: childrenRect.height
+  });
+  offsets.marginTop = 0;
+  offsets.marginLeft = 0;
+
+  // Subtract margins of documentElement in case it's being used as parent
+  // we do this only on HTML because it's the only element that behaves
+  // differently when margins are applied to it. The margins are included in
+  // the box of the documentElement, in the other cases not.
+  if (!isIE10 && isHTML) {
+    var marginTop = parseFloat(styles.marginTop, 10);
+    var marginLeft = parseFloat(styles.marginLeft, 10);
+
+    offsets.top -= borderTopWidth - marginTop;
+    offsets.bottom -= borderTopWidth - marginTop;
+    offsets.left -= borderLeftWidth - marginLeft;
+    offsets.right -= borderLeftWidth - marginLeft;
+
+    // Attach marginTop and marginLeft because in some circumstances we may need them
+    offsets.marginTop = marginTop;
+    offsets.marginLeft = marginLeft;
+  }
+
+  if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {
+    offsets = includeScroll(offsets, parent);
+  }
+
+  return offsets;
+}
+
+function getViewportOffsetRectRelativeToArtbitraryNode(element) {
+  var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+  var html = element.ownerDocument.documentElement;
+  var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);
+  var width = Math.max(html.clientWidth, window.innerWidth || 0);
+  var height = Math.max(html.clientHeight, window.innerHeight || 0);
+
+  var scrollTop = !excludeScroll ? getScroll(html) : 0;
+  var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0;
+
+  var offset = {
+    top: scrollTop - relativeOffset.top + relativeOffset.marginTop,
+    left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,
+    width: width,
+    height: height
+  };
+
+  return getClientRect(offset);
+}
+
+/**
+ * Check if the given element is fixed or is inside a fixed parent
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element
+ * @argument {Element} customContainer
+ * @returns {Boolean} answer to "isFixed?"
+ */
+function isFixed(element) {
+  var nodeName = element.nodeName;
+  if (nodeName === 'BODY' || nodeName === 'HTML') {
+    return false;
+  }
+  if (getStyleComputedProperty(element, 'position') === 'fixed') {
+    return true;
+  }
+  return isFixed(getParentNode(element));
+}
+
+/**
+ * Finds the first parent of an element that has a transformed property defined
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element
+ * @returns {Element} first transformed parent or documentElement
+ */
+
+function getFixedPositionOffsetParent(element) {
+  // This check is needed to avoid errors in case one of the elements isn't defined for any reason
+  if (!element || !element.parentElement || isIE()) {
+    return document.documentElement;
+  }
+  var el = element.parentElement;
+  while (el && getStyleComputedProperty(el, 'transform') === 'none') {
+    el = el.parentElement;
+  }
+  return el || document.documentElement;
+}
+
+/**
+ * Computed the boundaries limits and return them
+ * @method
+ * @memberof Popper.Utils
+ * @param {HTMLElement} popper
+ * @param {HTMLElement} reference
+ * @param {number} padding
+ * @param {HTMLElement} boundariesElement - Element used to define the boundaries
+ * @param {Boolean} fixedPosition - Is in fixed position mode
+ * @returns {Object} Coordinates of the boundaries
+ */
+function getBoundaries(popper, reference, padding, boundariesElement) {
+  var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
+
+  // NOTE: 1 DOM access here
+
+  var boundaries = { top: 0, left: 0 };
+  var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);
+
+  // Handle viewport case
+  if (boundariesElement === 'viewport') {
+    boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition);
+  } else {
+    // Handle other cases based on DOM element used as boundaries
+    var boundariesNode = void 0;
+    if (boundariesElement === 'scrollParent') {
+      boundariesNode = getScrollParent(getParentNode(reference));
+      if (boundariesNode.nodeName === 'BODY') {
+        boundariesNode = popper.ownerDocument.documentElement;
+      }
+    } else if (boundariesElement === 'window') {
+      boundariesNode = popper.ownerDocument.documentElement;
+    } else {
+      boundariesNode = boundariesElement;
+    }
+
+    var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition);
+
+    // In case of HTML, we need a different computation
+    if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {
+      var _getWindowSizes = getWindowSizes(popper.ownerDocument),
+          height = _getWindowSizes.height,
+          width = _getWindowSizes.width;
+
+      boundaries.top += offsets.top - offsets.marginTop;
+      boundaries.bottom = height + offsets.top;
+      boundaries.left += offsets.left - offsets.marginLeft;
+      boundaries.right = width + offsets.left;
+    } else {
+      // for all the other DOM elements, this one is good
+      boundaries = offsets;
+    }
+  }
+
+  // Add paddings
+  padding = padding || 0;
+  var isPaddingNumber = typeof padding === 'number';
+  boundaries.left += isPaddingNumber ? padding : padding.left || 0;
+  boundaries.top += isPaddingNumber ? padding : padding.top || 0;
+  boundaries.right -= isPaddingNumber ? padding : padding.right || 0;
+  boundaries.bottom -= isPaddingNumber ? padding : padding.bottom || 0;
+
+  return boundaries;
+}
+
+function getArea(_ref) {
+  var width = _ref.width,
+      height = _ref.height;
+
+  return width * height;
+}
+
+/**
+ * Utility used to transform the `auto` placement to the placement with more
+ * available space.
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Object} data - The data object generated by update method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {
+  var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;
+
+  if (placement.indexOf('auto') === -1) {
+    return placement;
+  }
+
+  var boundaries = getBoundaries(popper, reference, padding, boundariesElement);
+
+  var rects = {
+    top: {
+      width: boundaries.width,
+      height: refRect.top - boundaries.top
+    },
+    right: {
+      width: boundaries.right - refRect.right,
+      height: boundaries.height
+    },
+    bottom: {
+      width: boundaries.width,
+      height: boundaries.bottom - refRect.bottom
+    },
+    left: {
+      width: refRect.left - boundaries.left,
+      height: boundaries.height
+    }
+  };
+
+  var sortedAreas = Object.keys(rects).map(function (key) {
+    return _extends({
+      key: key
+    }, rects[key], {
+      area: getArea(rects[key])
+    });
+  }).sort(function (a, b) {
+    return b.area - a.area;
+  });
+
+  var filteredAreas = sortedAreas.filter(function (_ref2) {
+    var width = _ref2.width,
+        height = _ref2.height;
+    return width >= popper.clientWidth && height >= popper.clientHeight;
+  });
+
+  var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;
+
+  var variation = placement.split('-')[1];
+
+  return computedPlacement + (variation ? '-' + variation : '');
+}
+
+/**
+ * Get offsets to the reference element
+ * @method
+ * @memberof Popper.Utils
+ * @param {Object} state
+ * @param {Element} popper - the popper element
+ * @param {Element} reference - the reference element (the popper will be relative to this)
+ * @param {Element} fixedPosition - is in fixed position mode
+ * @returns {Object} An object containing the offsets which will be applied to the popper
+ */
+function getReferenceOffsets(state, popper, reference) {
+  var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
+
+  var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);
+  return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition);
+}
+
+/**
+ * Get the outer sizes of the given element (offset size + margins)
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element
+ * @returns {Object} object containing width and height properties
+ */
+function getOuterSizes(element) {
+  var styles = getComputedStyle(element);
+  var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);
+  var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);
+  var result = {
+    width: element.offsetWidth + y,
+    height: element.offsetHeight + x
+  };
+  return result;
+}
+
+/**
+ * Get the opposite placement of the given one
+ * @method
+ * @memberof Popper.Utils
+ * @argument {String} placement
+ * @returns {String} flipped placement
+ */
+function getOppositePlacement(placement) {
+  var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };
+  return placement.replace(/left|right|bottom|top/g, function (matched) {
+    return hash[matched];
+  });
+}
+
+/**
+ * Get offsets to the popper
+ * @method
+ * @memberof Popper.Utils
+ * @param {Object} position - CSS position the Popper will get applied
+ * @param {HTMLElement} popper - the popper element
+ * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)
+ * @param {String} placement - one of the valid placement options
+ * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper
+ */
+function getPopperOffsets(popper, referenceOffsets, placement) {
+  placement = placement.split('-')[0];
+
+  // Get popper node sizes
+  var popperRect = getOuterSizes(popper);
+
+  // Add position, width and height to our offsets object
+  var popperOffsets = {
+    width: popperRect.width,
+    height: popperRect.height
+  };
+
+  // depending by the popper placement we have to compute its offsets slightly differently
+  var isHoriz = ['right', 'left'].indexOf(placement) !== -1;
+  var mainSide = isHoriz ? 'top' : 'left';
+  var secondarySide = isHoriz ? 'left' : 'top';
+  var measurement = isHoriz ? 'height' : 'width';
+  var secondaryMeasurement = !isHoriz ? 'height' : 'width';
+
+  popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;
+  if (placement === secondarySide) {
+    popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];
+  } else {
+    popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];
+  }
+
+  return popperOffsets;
+}
+
+/**
+ * Mimics the `find` method of Array
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Array} arr
+ * @argument prop
+ * @argument value
+ * @returns index or -1
+ */
+function find(arr, check) {
+  // use native find if supported
+  if (Array.prototype.find) {
+    return arr.find(check);
+  }
+
+  // use `filter` to obtain the same behavior of `find`
+  return arr.filter(check)[0];
+}
+
+/**
+ * Return the index of the matching object
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Array} arr
+ * @argument prop
+ * @argument value
+ * @returns index or -1
+ */
+function findIndex(arr, prop, value) {
+  // use native findIndex if supported
+  if (Array.prototype.findIndex) {
+    return arr.findIndex(function (cur) {
+      return cur[prop] === value;
+    });
+  }
+
+  // use `find` + `indexOf` if `findIndex` isn't supported
+  var match = find(arr, function (obj) {
+    return obj[prop] === value;
+  });
+  return arr.indexOf(match);
+}
+
+/**
+ * Loop trough the list of modifiers and run them in order,
+ * each of them will then edit the data object.
+ * @method
+ * @memberof Popper.Utils
+ * @param {dataObject} data
+ * @param {Array} modifiers
+ * @param {String} ends - Optional modifier name used as stopper
+ * @returns {dataObject}
+ */
+function runModifiers(modifiers, data, ends) {
+  var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));
+
+  modifiersToRun.forEach(function (modifier) {
+    if (modifier['function']) {
+      // eslint-disable-line dot-notation
+      console.warn('`modifier.function` is deprecated, use `modifier.fn`!');
+    }
+    var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation
+    if (modifier.enabled && isFunction(fn)) {
+      // Add properties to offsets to make them a complete clientRect object
+      // we do this before each modifier to make sure the previous one doesn't
+      // mess with these values
+      data.offsets.popper = getClientRect(data.offsets.popper);
+      data.offsets.reference = getClientRect(data.offsets.reference);
+
+      data = fn(data, modifier);
+    }
+  });
+
+  return data;
+}
+
+/**
+ * Updates the position of the popper, computing the new offsets and applying
+ * the new style.<br />
+ * Prefer `scheduleUpdate` over `update` because of performance reasons.
+ * @method
+ * @memberof Popper
+ */
+function update() {
+  // if popper is destroyed, don't perform any further update
+  if (this.state.isDestroyed) {
+    return;
+  }
+
+  var data = {
+    instance: this,
+    styles: {},
+    arrowStyles: {},
+    attributes: {},
+    flipped: false,
+    offsets: {}
+  };
+
+  // compute reference element offsets
+  data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed);
+
+  // compute auto placement, store placement inside the data object,
+  // modifiers will be able to edit `placement` if needed
+  // and refer to originalPlacement to know the original value
+  data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);
+
+  // store the computed placement inside `originalPlacement`
+  data.originalPlacement = data.placement;
+
+  data.positionFixed = this.options.positionFixed;
+
+  // compute the popper offsets
+  data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);
+
+  data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute';
+
+  // run the modifiers
+  data = runModifiers(this.modifiers, data);
+
+  // the first `update` will call `onCreate` callback
+  // the other ones will call `onUpdate` callback
+  if (!this.state.isCreated) {
+    this.state.isCreated = true;
+    this.options.onCreate(data);
+  } else {
+    this.options.onUpdate(data);
+  }
+}
+
+/**
+ * Helper used to know if the given modifier is enabled.
+ * @method
+ * @memberof Popper.Utils
+ * @returns {Boolean}
+ */
+function isModifierEnabled(modifiers, modifierName) {
+  return modifiers.some(function (_ref) {
+    var name = _ref.name,
+        enabled = _ref.enabled;
+    return enabled && name === modifierName;
+  });
+}
+
+/**
+ * Get the prefixed supported property name
+ * @method
+ * @memberof Popper.Utils
+ * @argument {String} property (camelCase)
+ * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)
+ */
+function getSupportedPropertyName(property) {
+  var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];
+  var upperProp = property.charAt(0).toUpperCase() + property.slice(1);
+
+  for (var i = 0; i < prefixes.length; i++) {
+    var prefix = prefixes[i];
+    var toCheck = prefix ? '' + prefix + upperProp : property;
+    if (typeof document.body.style[toCheck] !== 'undefined') {
+      return toCheck;
+    }
+  }
+  return null;
+}
+
+/**
+ * Destroys the popper.
+ * @method
+ * @memberof Popper
+ */
+function destroy() {
+  this.state.isDestroyed = true;
+
+  // touch DOM only if `applyStyle` modifier is enabled
+  if (isModifierEnabled(this.modifiers, 'applyStyle')) {
+    this.popper.removeAttribute('x-placement');
+    this.popper.style.position = '';
+    this.popper.style.top = '';
+    this.popper.style.left = '';
+    this.popper.style.right = '';
+    this.popper.style.bottom = '';
+    this.popper.style.willChange = '';
+    this.popper.style[getSupportedPropertyName('transform')] = '';
+  }
+
+  this.disableEventListeners();
+
+  // remove the popper if user explicity asked for the deletion on destroy
+  // do not use `remove` because IE11 doesn't support it
+  if (this.options.removeOnDestroy) {
+    this.popper.parentNode.removeChild(this.popper);
+  }
+  return this;
+}
+
+/**
+ * Get the window associated with the element
+ * @argument {Element} element
+ * @returns {Window}
+ */
+function getWindow(element) {
+  var ownerDocument = element.ownerDocument;
+  return ownerDocument ? ownerDocument.defaultView : window;
+}
+
+function attachToScrollParents(scrollParent, event, callback, scrollParents) {
+  var isBody = scrollParent.nodeName === 'BODY';
+  var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;
+  target.addEventListener(event, callback, { passive: true });
+
+  if (!isBody) {
+    attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);
+  }
+  scrollParents.push(target);
+}
+
+/**
+ * Setup needed event listeners used to update the popper position
+ * @method
+ * @memberof Popper.Utils
+ * @private
+ */
+function setupEventListeners(reference, options, state, updateBound) {
+  // Resize event listener on window
+  state.updateBound = updateBound;
+  getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });
+
+  // Scroll event listener on scroll parents
+  var scrollElement = getScrollParent(reference);
+  attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);
+  state.scrollElement = scrollElement;
+  state.eventsEnabled = true;
+
+  return state;
+}
+
+/**
+ * It will add resize/scroll events and start recalculating
+ * position of the popper element when they are triggered.
+ * @method
+ * @memberof Popper
+ */
+function enableEventListeners() {
+  if (!this.state.eventsEnabled) {
+    this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);
+  }
+}
+
+/**
+ * Remove event listeners used to update the popper position
+ * @method
+ * @memberof Popper.Utils
+ * @private
+ */
+function removeEventListeners(reference, state) {
+  // Remove resize event listener on window
+  getWindow(reference).removeEventListener('resize', state.updateBound);
+
+  // Remove scroll event listener on scroll parents
+  state.scrollParents.forEach(function (target) {
+    target.removeEventListener('scroll', state.updateBound);
+  });
+
+  // Reset state
+  state.updateBound = null;
+  state.scrollParents = [];
+  state.scrollElement = null;
+  state.eventsEnabled = false;
+  return state;
+}
+
+/**
+ * It will remove resize/scroll events and won't recalculate popper position
+ * when they are triggered. It also won't trigger `onUpdate` callback anymore,
+ * unless you call `update` method manually.
+ * @method
+ * @memberof Popper
+ */
+function disableEventListeners() {
+  if (this.state.eventsEnabled) {
+    cancelAnimationFrame(this.scheduleUpdate);
+    this.state = removeEventListeners(this.reference, this.state);
+  }
+}
+
+/**
+ * Tells if a given input is a number
+ * @method
+ * @memberof Popper.Utils
+ * @param {*} input to check
+ * @return {Boolean}
+ */
+function isNumeric(n) {
+  return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);
+}
+
+/**
+ * Set the style to the given popper
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element - Element to apply the style to
+ * @argument {Object} styles
+ * Object with a list of properties and values which will be applied to the element
+ */
+function setStyles(element, styles) {
+  Object.keys(styles).forEach(function (prop) {
+    var unit = '';
+    // add unit if the value is numeric and is one of the following
+    if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {
+      unit = 'px';
+    }
+    element.style[prop] = styles[prop] + unit;
+  });
+}
+
+/**
+ * Set the attributes to the given popper
+ * @method
+ * @memberof Popper.Utils
+ * @argument {Element} element - Element to apply the attributes to
+ * @argument {Object} styles
+ * Object with a list of properties and values which will be applied to the element
+ */
+function setAttributes(element, attributes) {
+  Object.keys(attributes).forEach(function (prop) {
+    var value = attributes[prop];
+    if (value !== false) {
+      element.setAttribute(prop, attributes[prop]);
+    } else {
+      element.removeAttribute(prop);
+    }
+  });
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by `update` method
+ * @argument {Object} data.styles - List of style properties - values to apply to popper element
+ * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The same data object
+ */
+function applyStyle(data) {
+  // any property present in `data.styles` will be applied to the popper,
+  // in this way we can make the 3rd party modifiers add custom styles to it
+  // Be aware, modifiers could override the properties defined in the previous
+  // lines of this modifier!
+  setStyles(data.instance.popper, data.styles);
+
+  // any property present in `data.attributes` will be applied to the popper,
+  // they will be set as HTML attributes of the element
+  setAttributes(data.instance.popper, data.attributes);
+
+  // if arrowElement is defined and arrowStyles has some properties
+  if (data.arrowElement && Object.keys(data.arrowStyles).length) {
+    setStyles(data.arrowElement, data.arrowStyles);
+  }
+
+  return data;
+}
+
+/**
+ * Set the x-placement attribute before everything else because it could be used
+ * to add margins to the popper margins needs to be calculated to get the
+ * correct popper offsets.
+ * @method
+ * @memberof Popper.modifiers
+ * @param {HTMLElement} reference - The reference element used to position the popper
+ * @param {HTMLElement} popper - The HTML element used as popper
+ * @param {Object} options - Popper.js options
+ */
+function applyStyleOnLoad(reference, popper, options, modifierOptions, state) {
+  // compute reference element offsets
+  var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed);
+
+  // compute auto placement, store placement inside the data object,
+  // modifiers will be able to edit `placement` if needed
+  // and refer to originalPlacement to know the original value
+  var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);
+
+  popper.setAttribute('x-placement', placement);
+
+  // Apply `position` to popper before anything else because
+  // without the position applied we can't guarantee correct computations
+  setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' });
+
+  return options;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by `update` method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function computeStyle(data, options) {
+  var x = options.x,
+      y = options.y;
+  var popper = data.offsets.popper;
+
+  // Remove this legacy support in Popper.js v2
+
+  var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {
+    return modifier.name === 'applyStyle';
+  }).gpuAcceleration;
+  if (legacyGpuAccelerationOption !== undefined) {
+    console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');
+  }
+  var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;
+
+  var offsetParent = getOffsetParent(data.instance.popper);
+  var offsetParentRect = getBoundingClientRect(offsetParent);
+
+  // Styles
+  var styles = {
+    position: popper.position
+  };
+
+  // Avoid blurry text by using full pixel integers.
+  // For pixel-perfect positioning, top/bottom prefers rounded
+  // values, while left/right prefers floored values.
+  var offsets = {
+    left: Math.floor(popper.left),
+    top: Math.round(popper.top),
+    bottom: Math.round(popper.bottom),
+    right: Math.floor(popper.right)
+  };
+
+  var sideA = x === 'bottom' ? 'top' : 'bottom';
+  var sideB = y === 'right' ? 'left' : 'right';
+
+  // if gpuAcceleration is set to `true` and transform is supported,
+  //  we use `translate3d` to apply the position to the popper we
+  // automatically use the supported prefixed version if needed
+  var prefixedProperty = getSupportedPropertyName('transform');
+
+  // now, let's make a step back and look at this code closely (wtf?)
+  // If the content of the popper grows once it's been positioned, it
+  // may happen that the popper gets misplaced because of the new content
+  // overflowing its reference element
+  // To avoid this problem, we provide two options (x and y), which allow
+  // the consumer to define the offset origin.
+  // If we position a popper on top of a reference element, we can set
+  // `x` to `top` to make the popper grow towards its top instead of
+  // its bottom.
+  var left = void 0,
+      top = void 0;
+  if (sideA === 'bottom') {
+    // when offsetParent is <html> the positioning is relative to the bottom of the screen (excluding the scrollbar)
+    // and not the bottom of the html element
+    if (offsetParent.nodeName === 'HTML') {
+      top = -offsetParent.clientHeight + offsets.bottom;
+    } else {
+      top = -offsetParentRect.height + offsets.bottom;
+    }
+  } else {
+    top = offsets.top;
+  }
+  if (sideB === 'right') {
+    if (offsetParent.nodeName === 'HTML') {
+      left = -offsetParent.clientWidth + offsets.right;
+    } else {
+      left = -offsetParentRect.width + offsets.right;
+    }
+  } else {
+    left = offsets.left;
+  }
+  if (gpuAcceleration && prefixedProperty) {
+    styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';
+    styles[sideA] = 0;
+    styles[sideB] = 0;
+    styles.willChange = 'transform';
+  } else {
+    // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties
+    var invertTop = sideA === 'bottom' ? -1 : 1;
+    var invertLeft = sideB === 'right' ? -1 : 1;
+    styles[sideA] = top * invertTop;
+    styles[sideB] = left * invertLeft;
+    styles.willChange = sideA + ', ' + sideB;
+  }
+
+  // Attributes
+  var attributes = {
+    'x-placement': data.placement
+  };
+
+  // Update `data` attributes, styles and arrowStyles
+  data.attributes = _extends({}, attributes, data.attributes);
+  data.styles = _extends({}, styles, data.styles);
+  data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);
+
+  return data;
+}
+
+/**
+ * Helper used to know if the given modifier depends from another one.<br />
+ * It checks if the needed modifier is listed and enabled.
+ * @method
+ * @memberof Popper.Utils
+ * @param {Array} modifiers - list of modifiers
+ * @param {String} requestingName - name of requesting modifier
+ * @param {String} requestedName - name of requested modifier
+ * @returns {Boolean}
+ */
+function isModifierRequired(modifiers, requestingName, requestedName) {
+  var requesting = find(modifiers, function (_ref) {
+    var name = _ref.name;
+    return name === requestingName;
+  });
+
+  var isRequired = !!requesting && modifiers.some(function (modifier) {
+    return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;
+  });
+
+  if (!isRequired) {
+    var _requesting = '`' + requestingName + '`';
+    var requested = '`' + requestedName + '`';
+    console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');
+  }
+  return isRequired;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by update method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function arrow(data, options) {
+  var _data$offsets$arrow;
+
+  // arrow depends on keepTogether in order to work
+  if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {
+    return data;
+  }
+
+  var arrowElement = options.element;
+
+  // if arrowElement is a string, suppose it's a CSS selector
+  if (typeof arrowElement === 'string') {
+    arrowElement = data.instance.popper.querySelector(arrowElement);
+
+    // if arrowElement is not found, don't run the modifier
+    if (!arrowElement) {
+      return data;
+    }
+  } else {
+    // if the arrowElement isn't a query selector we must check that the
+    // provided DOM node is child of its popper node
+    if (!data.instance.popper.contains(arrowElement)) {
+      console.warn('WARNING: `arrow.element` must be child of its popper element!');
+      return data;
+    }
+  }
+
+  var placement = data.placement.split('-')[0];
+  var _data$offsets = data.offsets,
+      popper = _data$offsets.popper,
+      reference = _data$offsets.reference;
+
+  var isVertical = ['left', 'right'].indexOf(placement) !== -1;
+
+  var len = isVertical ? 'height' : 'width';
+  var sideCapitalized = isVertical ? 'Top' : 'Left';
+  var side = sideCapitalized.toLowerCase();
+  var altSide = isVertical ? 'left' : 'top';
+  var opSide = isVertical ? 'bottom' : 'right';
+  var arrowElementSize = getOuterSizes(arrowElement)[len];
+
+  //
+  // extends keepTogether behavior making sure the popper and its
+  // reference have enough pixels in conjunction
+  //
+
+  // top/left side
+  if (reference[opSide] - arrowElementSize < popper[side]) {
+    data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);
+  }
+  // bottom/right side
+  if (reference[side] + arrowElementSize > popper[opSide]) {
+    data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];
+  }
+  data.offsets.popper = getClientRect(data.offsets.popper);
+
+  // compute center of the popper
+  var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;
+
+  // Compute the sideValue using the updated popper offsets
+  // take popper margin in account because we don't have this info available
+  var css = getStyleComputedProperty(data.instance.popper);
+  var popperMarginSide = parseFloat(css['margin' + sideCapitalized], 10);
+  var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width'], 10);
+  var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide;
+
+  // prevent arrowElement from being placed not contiguously to its popper
+  sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);
+
+  data.arrowElement = arrowElement;
+  data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow);
+
+  return data;
+}
+
+/**
+ * Get the opposite placement variation of the given one
+ * @method
+ * @memberof Popper.Utils
+ * @argument {String} placement variation
+ * @returns {String} flipped placement variation
+ */
+function getOppositeVariation(variation) {
+  if (variation === 'end') {
+    return 'start';
+  } else if (variation === 'start') {
+    return 'end';
+  }
+  return variation;
+}
+
+/**
+ * List of accepted placements to use as values of the `placement` option.<br />
+ * Valid placements are:
+ * - `auto`
+ * - `top`
+ * - `right`
+ * - `bottom`
+ * - `left`
+ *
+ * Each placement can have a variation from this list:
+ * - `-start`
+ * - `-end`
+ *
+ * Variations are interpreted easily if you think of them as the left to right
+ * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`
+ * is right.<br />
+ * Vertically (`left` and `right`), `start` is top and `end` is bottom.
+ *
+ * Some valid examples are:
+ * - `top-end` (on top of reference, right aligned)
+ * - `right-start` (on right of reference, top aligned)
+ * - `bottom` (on bottom, centered)
+ * - `auto-end` (on the side with more space available, alignment depends by placement)
+ *
+ * @static
+ * @type {Array}
+ * @enum {String}
+ * @readonly
+ * @method placements
+ * @memberof Popper
+ */
+var placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];
+
+// Get rid of `auto` `auto-start` and `auto-end`
+var validPlacements = placements.slice(3);
+
+/**
+ * Given an initial placement, returns all the subsequent placements
+ * clockwise (or counter-clockwise).
+ *
+ * @method
+ * @memberof Popper.Utils
+ * @argument {String} placement - A valid placement (it accepts variations)
+ * @argument {Boolean} counter - Set to true to walk the placements counterclockwise
+ * @returns {Array} placements including their variations
+ */
+function clockwise(placement) {
+  var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+  var index = validPlacements.indexOf(placement);
+  var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));
+  return counter ? arr.reverse() : arr;
+}
+
+var BEHAVIORS = {
+  FLIP: 'flip',
+  CLOCKWISE: 'clockwise',
+  COUNTERCLOCKWISE: 'counterclockwise'
+};
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by update method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function flip(data, options) {
+  // if `inner` modifier is enabled, we can't use the `flip` modifier
+  if (isModifierEnabled(data.instance.modifiers, 'inner')) {
+    return data;
+  }
+
+  if (data.flipped && data.placement === data.originalPlacement) {
+    // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides
+    return data;
+  }
+
+  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement, data.positionFixed);
+
+  var placement = data.placement.split('-')[0];
+  var placementOpposite = getOppositePlacement(placement);
+  var variation = data.placement.split('-')[1] || '';
+
+  var flipOrder = [];
+
+  switch (options.behavior) {
+    case BEHAVIORS.FLIP:
+      flipOrder = [placement, placementOpposite];
+      break;
+    case BEHAVIORS.CLOCKWISE:
+      flipOrder = clockwise(placement);
+      break;
+    case BEHAVIORS.COUNTERCLOCKWISE:
+      flipOrder = clockwise(placement, true);
+      break;
+    default:
+      flipOrder = options.behavior;
+  }
+
+  flipOrder.forEach(function (step, index) {
+    if (placement !== step || flipOrder.length === index + 1) {
+      return data;
+    }
+
+    placement = data.placement.split('-')[0];
+    placementOpposite = getOppositePlacement(placement);
+
+    var popperOffsets = data.offsets.popper;
+    var refOffsets = data.offsets.reference;
+
+    // using floor because the reference offsets may contain decimals we are not going to consider here
+    var floor = Math.floor;
+    var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);
+
+    var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);
+    var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);
+    var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);
+    var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);
+
+    var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;
+
+    // flip the variation if required
+    var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
+    var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);
+
+    if (overlapsRef || overflowsBoundaries || flippedVariation) {
+      // this boolean to detect any flip loop
+      data.flipped = true;
+
+      if (overlapsRef || overflowsBoundaries) {
+        placement = flipOrder[index + 1];
+      }
+
+      if (flippedVariation) {
+        variation = getOppositeVariation(variation);
+      }
+
+      data.placement = placement + (variation ? '-' + variation : '');
+
+      // this object contains `position`, we want to preserve it along with
+      // any additional property we may add in the future
+      data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));
+
+      data = runModifiers(data.instance.modifiers, data, 'flip');
+    }
+  });
+  return data;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by update method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function keepTogether(data) {
+  var _data$offsets = data.offsets,
+      popper = _data$offsets.popper,
+      reference = _data$offsets.reference;
+
+  var placement = data.placement.split('-')[0];
+  var floor = Math.floor;
+  var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
+  var side = isVertical ? 'right' : 'bottom';
+  var opSide = isVertical ? 'left' : 'top';
+  var measurement = isVertical ? 'width' : 'height';
+
+  if (popper[side] < floor(reference[opSide])) {
+    data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];
+  }
+  if (popper[opSide] > floor(reference[side])) {
+    data.offsets.popper[opSide] = floor(reference[side]);
+  }
+
+  return data;
+}
+
+/**
+ * Converts a string containing value + unit into a px value number
+ * @function
+ * @memberof {modifiers~offset}
+ * @private
+ * @argument {String} str - Value + unit string
+ * @argument {String} measurement - `height` or `width`
+ * @argument {Object} popperOffsets
+ * @argument {Object} referenceOffsets
+ * @returns {Number|String}
+ * Value in pixels, or original string if no values were extracted
+ */
+function toValue(str, measurement, popperOffsets, referenceOffsets) {
+  // separate value from unit
+  var split = str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/);
+  var value = +split[1];
+  var unit = split[2];
+
+  // If it's not a number it's an operator, I guess
+  if (!value) {
+    return str;
+  }
+
+  if (unit.indexOf('%') === 0) {
+    var element = void 0;
+    switch (unit) {
+      case '%p':
+        element = popperOffsets;
+        break;
+      case '%':
+      case '%r':
+      default:
+        element = referenceOffsets;
+    }
+
+    var rect = getClientRect(element);
+    return rect[measurement] / 100 * value;
+  } else if (unit === 'vh' || unit === 'vw') {
+    // if is a vh or vw, we calculate the size based on the viewport
+    var size = void 0;
+    if (unit === 'vh') {
+      size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
+    } else {
+      size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
+    }
+    return size / 100 * value;
+  } else {
+    // if is an explicit pixel unit, we get rid of the unit and keep the value
+    // if is an implicit unit, it's px, and we return just the value
+    return value;
+  }
+}
+
+/**
+ * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.
+ * @function
+ * @memberof {modifiers~offset}
+ * @private
+ * @argument {String} offset
+ * @argument {Object} popperOffsets
+ * @argument {Object} referenceOffsets
+ * @argument {String} basePlacement
+ * @returns {Array} a two cells array with x and y offsets in numbers
+ */
+function parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {
+  var offsets = [0, 0];
+
+  // Use height if placement is left or right and index is 0 otherwise use width
+  // in this way the first offset will use an axis and the second one
+  // will use the other one
+  var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;
+
+  // Split the offset string to obtain a list of values and operands
+  // The regex addresses values with the plus or minus sign in front (+10, -20, etc)
+  var fragments = offset.split(/(\+|\-)/).map(function (frag) {
+    return frag.trim();
+  });
+
+  // Detect if the offset string contains a pair of values or a single one
+  // they could be separated by comma or space
+  var divider = fragments.indexOf(find(fragments, function (frag) {
+    return frag.search(/,|\s/) !== -1;
+  }));
+
+  if (fragments[divider] && fragments[divider].indexOf(',') === -1) {
+    console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');
+  }
+
+  // If divider is found, we divide the list of values and operands to divide
+  // them by ofset X and Y.
+  var splitRegex = /\s*,\s*|\s+/;
+  var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];
+
+  // Convert the values with units to absolute pixels to allow our computations
+  ops = ops.map(function (op, index) {
+    // Most of the units rely on the orientation of the popper
+    var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';
+    var mergeWithPrevious = false;
+    return op
+    // This aggregates any `+` or `-` sign that aren't considered operators
+    // e.g.: 10 + +5 => [10, +, +5]
+    .reduce(function (a, b) {
+      if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {
+        a[a.length - 1] = b;
+        mergeWithPrevious = true;
+        return a;
+      } else if (mergeWithPrevious) {
+        a[a.length - 1] += b;
+        mergeWithPrevious = false;
+        return a;
+      } else {
+        return a.concat(b);
+      }
+    }, [])
+    // Here we convert the string values into number values (in px)
+    .map(function (str) {
+      return toValue(str, measurement, popperOffsets, referenceOffsets);
+    });
+  });
+
+  // Loop trough the offsets arrays and execute the operations
+  ops.forEach(function (op, index) {
+    op.forEach(function (frag, index2) {
+      if (isNumeric(frag)) {
+        offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);
+      }
+    });
+  });
+  return offsets;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by update method
+ * @argument {Object} options - Modifiers configuration and options
+ * @argument {Number|String} options.offset=0
+ * The offset value as described in the modifier description
+ * @returns {Object} The data object, properly modified
+ */
+function offset(data, _ref) {
+  var offset = _ref.offset;
+  var placement = data.placement,
+      _data$offsets = data.offsets,
+      popper = _data$offsets.popper,
+      reference = _data$offsets.reference;
+
+  var basePlacement = placement.split('-')[0];
+
+  var offsets = void 0;
+  if (isNumeric(+offset)) {
+    offsets = [+offset, 0];
+  } else {
+    offsets = parseOffset(offset, popper, reference, basePlacement);
+  }
+
+  if (basePlacement === 'left') {
+    popper.top += offsets[0];
+    popper.left -= offsets[1];
+  } else if (basePlacement === 'right') {
+    popper.top += offsets[0];
+    popper.left += offsets[1];
+  } else if (basePlacement === 'top') {
+    popper.left += offsets[0];
+    popper.top -= offsets[1];
+  } else if (basePlacement === 'bottom') {
+    popper.left += offsets[0];
+    popper.top += offsets[1];
+  }
+
+  data.popper = popper;
+  return data;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by `update` method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function preventOverflow(data, options) {
+  var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);
+
+  // If offsetParent is the reference element, we really want to
+  // go one step up and use the next offsetParent as reference to
+  // avoid to make this modifier completely useless and look like broken
+  if (data.instance.reference === boundariesElement) {
+    boundariesElement = getOffsetParent(boundariesElement);
+  }
+
+  // NOTE: DOM access here
+  // resets the popper's position so that the document size can be calculated excluding
+  // the size of the popper element itself
+  var transformProp = getSupportedPropertyName('transform');
+  var popperStyles = data.instance.popper.style; // assignment to help minification
+  var top = popperStyles.top,
+      left = popperStyles.left,
+      transform = popperStyles[transformProp];
+
+  popperStyles.top = '';
+  popperStyles.left = '';
+  popperStyles[transformProp] = '';
+
+  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement, data.positionFixed);
+
+  // NOTE: DOM access here
+  // restores the original style properties after the offsets have been computed
+  popperStyles.top = top;
+  popperStyles.left = left;
+  popperStyles[transformProp] = transform;
+
+  options.boundaries = boundaries;
+
+  var order = options.priority;
+  var popper = data.offsets.popper;
+
+  var check = {
+    primary: function primary(placement) {
+      var value = popper[placement];
+      if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {
+        value = Math.max(popper[placement], boundaries[placement]);
+      }
+      return defineProperty({}, placement, value);
+    },
+    secondary: function secondary(placement) {
+      var mainSide = placement === 'right' ? 'left' : 'top';
+      var value = popper[mainSide];
+      if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {
+        value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));
+      }
+      return defineProperty({}, mainSide, value);
+    }
+  };
+
+  order.forEach(function (placement) {
+    var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';
+    popper = _extends({}, popper, check[side](placement));
+  });
+
+  data.offsets.popper = popper;
+
+  return data;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by `update` method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function shift(data) {
+  var placement = data.placement;
+  var basePlacement = placement.split('-')[0];
+  var shiftvariation = placement.split('-')[1];
+
+  // if shift shiftvariation is specified, run the modifier
+  if (shiftvariation) {
+    var _data$offsets = data.offsets,
+        reference = _data$offsets.reference,
+        popper = _data$offsets.popper;
+
+    var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;
+    var side = isVertical ? 'left' : 'top';
+    var measurement = isVertical ? 'width' : 'height';
+
+    var shiftOffsets = {
+      start: defineProperty({}, side, reference[side]),
+      end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])
+    };
+
+    data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);
+  }
+
+  return data;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by update method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function hide(data) {
+  if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {
+    return data;
+  }
+
+  var refRect = data.offsets.reference;
+  var bound = find(data.instance.modifiers, function (modifier) {
+    return modifier.name === 'preventOverflow';
+  }).boundaries;
+
+  if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {
+    // Avoid unnecessary DOM access if visibility hasn't changed
+    if (data.hide === true) {
+      return data;
+    }
+
+    data.hide = true;
+    data.attributes['x-out-of-boundaries'] = '';
+  } else {
+    // Avoid unnecessary DOM access if visibility hasn't changed
+    if (data.hide === false) {
+      return data;
+    }
+
+    data.hide = false;
+    data.attributes['x-out-of-boundaries'] = false;
+  }
+
+  return data;
+}
+
+/**
+ * @function
+ * @memberof Modifiers
+ * @argument {Object} data - The data object generated by `update` method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {Object} The data object, properly modified
+ */
+function inner(data) {
+  var placement = data.placement;
+  var basePlacement = placement.split('-')[0];
+  var _data$offsets = data.offsets,
+      popper = _data$offsets.popper,
+      reference = _data$offsets.reference;
+
+  var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;
+
+  var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;
+
+  popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);
+
+  data.placement = getOppositePlacement(placement);
+  data.offsets.popper = getClientRect(popper);
+
+  return data;
+}
+
+/**
+ * Modifier function, each modifier can have a function of this type assigned
+ * to its `fn` property.<br />
+ * These functions will be called on each update, this means that you must
+ * make sure they are performant enough to avoid performance bottlenecks.
+ *
+ * @function ModifierFn
+ * @argument {dataObject} data - The data object generated by `update` method
+ * @argument {Object} options - Modifiers configuration and options
+ * @returns {dataObject} The data object, properly modified
+ */
+
+/**
+ * Modifiers are plugins used to alter the behavior of your poppers.<br />
+ * Popper.js uses a set of 9 modifiers to provide all the basic functionalities
+ * needed by the library.
+ *
+ * Usually you don't want to override the `order`, `fn` and `onLoad` props.
+ * All the other properties are configurations that could be tweaked.
+ * @namespace modifiers
+ */
+var modifiers = {
+  /**
+   * Modifier used to shift the popper on the start or end of its reference
+   * element.<br />
+   * It will read the variation of the `placement` property.<br />
+   * It can be one either `-end` or `-start`.
+   * @memberof modifiers
+   * @inner
+   */
+  shift: {
+    /** @prop {number} order=100 - Index used to define the order of execution */
+    order: 100,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: shift
+  },
+
+  /**
+   * The `offset` modifier can shift your popper on both its axis.
+   *
+   * It accepts the following units:
+   * - `px` or unit-less, interpreted as pixels
+   * - `%` or `%r`, percentage relative to the length of the reference element
+   * - `%p`, percentage relative to the length of the popper element
+   * - `vw`, CSS viewport width unit
+   * - `vh`, CSS viewport height unit
+   *
+   * For length is intended the main axis relative to the placement of the popper.<br />
+   * This means that if the placement is `top` or `bottom`, the length will be the
+   * `width`. In case of `left` or `right`, it will be the `height`.
+   *
+   * You can provide a single value (as `Number` or `String`), or a pair of values
+   * as `String` divided by a comma or one (or more) white spaces.<br />
+   * The latter is a deprecated method because it leads to confusion and will be
+   * removed in v2.<br />
+   * Additionally, it accepts additions and subtractions between different units.
+   * Note that multiplications and divisions aren't supported.
+   *
+   * Valid examples are:
+   * ```
+   * 10
+   * '10%'
+   * '10, 10'
+   * '10%, 10'
+   * '10 + 10%'
+   * '10 - 5vh + 3%'
+   * '-10px + 5vh, 5px - 6%'
+   * ```
+   * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap
+   * > with their reference element, unfortunately, you will have to disable the `flip` modifier.
+   * > You can read more on this at this [issue](https://github.com/FezVrasta/popper.js/issues/373).
+   *
+   * @memberof modifiers
+   * @inner
+   */
+  offset: {
+    /** @prop {number} order=200 - Index used to define the order of execution */
+    order: 200,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: offset,
+    /** @prop {Number|String} offset=0
+     * The offset value as described in the modifier description
+     */
+    offset: 0
+  },
+
+  /**
+   * Modifier used to prevent the popper from being positioned outside the boundary.
+   *
+   * A scenario exists where the reference itself is not within the boundaries.<br />
+   * We can say it has "escaped the boundaries" — or just "escaped".<br />
+   * In this case we need to decide whether the popper should either:
+   *
+   * - detach from the reference and remain "trapped" in the boundaries, or
+   * - if it should ignore the boundary and "escape with its reference"
+   *
+   * When `escapeWithReference` is set to`true` and reference is completely
+   * outside its boundaries, the popper will overflow (or completely leave)
+   * the boundaries in order to remain attached to the edge of the reference.
+   *
+   * @memberof modifiers
+   * @inner
+   */
+  preventOverflow: {
+    /** @prop {number} order=300 - Index used to define the order of execution */
+    order: 300,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: preventOverflow,
+    /**
+     * @prop {Array} [priority=['left','right','top','bottom']]
+     * Popper will try to prevent overflow following these priorities by default,
+     * then, it could overflow on the left and on top of the `boundariesElement`
+     */
+    priority: ['left', 'right', 'top', 'bottom'],
+    /**
+     * @prop {number} padding=5
+     * Amount of pixel used to define a minimum distance between the boundaries
+     * and the popper. This makes sure the popper always has a little padding
+     * between the edges of its container
+     */
+    padding: 5,
+    /**
+     * @prop {String|HTMLElement} boundariesElement='scrollParent'
+     * Boundaries used by the modifier. Can be `scrollParent`, `window`,
+     * `viewport` or any DOM element.
+     */
+    boundariesElement: 'scrollParent'
+  },
+
+  /**
+   * Modifier used to make sure the reference and its popper stay near each other
+   * without leaving any gap between the two. Especially useful when the arrow is
+   * enabled and you want to ensure that it points to its reference element.
+   * It cares only about the first axis. You can still have poppers with margin
+   * between the popper and its reference element.
+   * @memberof modifiers
+   * @inner
+   */
+  keepTogether: {
+    /** @prop {number} order=400 - Index used to define the order of execution */
+    order: 400,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: keepTogether
+  },
+
+  /**
+   * This modifier is used to move the `arrowElement` of the popper to make
+   * sure it is positioned between the reference element and its popper element.
+   * It will read the outer size of the `arrowElement` node to detect how many
+   * pixels of conjunction are needed.
+   *
+   * It has no effect if no `arrowElement` is provided.
+   * @memberof modifiers
+   * @inner
+   */
+  arrow: {
+    /** @prop {number} order=500 - Index used to define the order of execution */
+    order: 500,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: arrow,
+    /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */
+    element: '[x-arrow]'
+  },
+
+  /**
+   * Modifier used to flip the popper's placement when it starts to overlap its
+   * reference element.
+   *
+   * Requires the `preventOverflow` modifier before it in order to work.
+   *
+   * **NOTE:** this modifier will interrupt the current update cycle and will
+   * restart it if it detects the need to flip the placement.
+   * @memberof modifiers
+   * @inner
+   */
+  flip: {
+    /** @prop {number} order=600 - Index used to define the order of execution */
+    order: 600,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: flip,
+    /**
+     * @prop {String|Array} behavior='flip'
+     * The behavior used to change the popper's placement. It can be one of
+     * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid
+     * placements (with optional variations)
+     */
+    behavior: 'flip',
+    /**
+     * @prop {number} padding=5
+     * The popper will flip if it hits the edges of the `boundariesElement`
+     */
+    padding: 5,
+    /**
+     * @prop {String|HTMLElement} boundariesElement='viewport'
+     * The element which will define the boundaries of the popper position.
+     * The popper will never be placed outside of the defined boundaries
+     * (except if `keepTogether` is enabled)
+     */
+    boundariesElement: 'viewport'
+  },
+
+  /**
+   * Modifier used to make the popper flow toward the inner of the reference element.
+   * By default, when this modifier is disabled, the popper will be placed outside
+   * the reference element.
+   * @memberof modifiers
+   * @inner
+   */
+  inner: {
+    /** @prop {number} order=700 - Index used to define the order of execution */
+    order: 700,
+    /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */
+    enabled: false,
+    /** @prop {ModifierFn} */
+    fn: inner
+  },
+
+  /**
+   * Modifier used to hide the popper when its reference element is outside of the
+   * popper boundaries. It will set a `x-out-of-boundaries` attribute which can
+   * be used to hide with a CSS selector the popper when its reference is
+   * out of boundaries.
+   *
+   * Requires the `preventOverflow` modifier before it in order to work.
+   * @memberof modifiers
+   * @inner
+   */
+  hide: {
+    /** @prop {number} order=800 - Index used to define the order of execution */
+    order: 800,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: hide
+  },
+
+  /**
+   * Computes the style that will be applied to the popper element to gets
+   * properly positioned.
+   *
+   * Note that this modifier will not touch the DOM, it just prepares the styles
+   * so that `applyStyle` modifier can apply it. This separation is useful
+   * in case you need to replace `applyStyle` with a custom implementation.
+   *
+   * This modifier has `850` as `order` value to maintain backward compatibility
+   * with previous versions of Popper.js. Expect the modifiers ordering method
+   * to change in future major versions of the library.
+   *
+   * @memberof modifiers
+   * @inner
+   */
+  computeStyle: {
+    /** @prop {number} order=850 - Index used to define the order of execution */
+    order: 850,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: computeStyle,
+    /**
+     * @prop {Boolean} gpuAcceleration=true
+     * If true, it uses the CSS 3D transformation to position the popper.
+     * Otherwise, it will use the `top` and `left` properties
+     */
+    gpuAcceleration: true,
+    /**
+     * @prop {string} [x='bottom']
+     * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.
+     * Change this if your popper should grow in a direction different from `bottom`
+     */
+    x: 'bottom',
+    /**
+     * @prop {string} [x='left']
+     * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.
+     * Change this if your popper should grow in a direction different from `right`
+     */
+    y: 'right'
+  },
+
+  /**
+   * Applies the computed styles to the popper element.
+   *
+   * All the DOM manipulations are limited to this modifier. This is useful in case
+   * you want to integrate Popper.js inside a framework or view library and you
+   * want to delegate all the DOM manipulations to it.
+   *
+   * Note that if you disable this modifier, you must make sure the popper element
+   * has its position set to `absolute` before Popper.js can do its work!
+   *
+   * Just disable this modifier and define your own to achieve the desired effect.
+   *
+   * @memberof modifiers
+   * @inner
+   */
+  applyStyle: {
+    /** @prop {number} order=900 - Index used to define the order of execution */
+    order: 900,
+    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+    enabled: true,
+    /** @prop {ModifierFn} */
+    fn: applyStyle,
+    /** @prop {Function} */
+    onLoad: applyStyleOnLoad,
+    /**
+     * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier
+     * @prop {Boolean} gpuAcceleration=true
+     * If true, it uses the CSS 3D transformation to position the popper.
+     * Otherwise, it will use the `top` and `left` properties
+     */
+    gpuAcceleration: undefined
+  }
+};
+
+/**
+ * The `dataObject` is an object containing all the information used by Popper.js.
+ * This object is passed to modifiers and to the `onCreate` and `onUpdate` callbacks.
+ * @name dataObject
+ * @property {Object} data.instance The Popper.js instance
+ * @property {String} data.placement Placement applied to popper
+ * @property {String} data.originalPlacement Placement originally defined on init
+ * @property {Boolean} data.flipped True if popper has been flipped by flip modifier
+ * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper
+ * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier
+ * @property {Object} data.styles Any CSS property defined here will be applied to the popper. It expects the JavaScript nomenclature (eg. `marginBottom`)
+ * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow. It expects the JavaScript nomenclature (eg. `marginBottom`)
+ * @property {Object} data.boundaries Offsets of the popper boundaries
+ * @property {Object} data.offsets The measurements of popper, reference and arrow elements
+ * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values
+ * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values
+ * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0
+ */
+
+/**
+ * Default options provided to Popper.js constructor.<br />
+ * These can be overridden using the `options` argument of Popper.js.<br />
+ * To override an option, simply pass an object with the same
+ * structure of the `options` object, as the 3rd argument. For example:
+ * ```
+ * new Popper(ref, pop, {
+ *   modifiers: {
+ *     preventOverflow: { enabled: false }
+ *   }
+ * })
+ * ```
+ * @type {Object}
+ * @static
+ * @memberof Popper
+ */
+var Defaults = {
+  /**
+   * Popper's placement.
+   * @prop {Popper.placements} placement='bottom'
+   */
+  placement: 'bottom',
+
+  /**
+   * Set this to true if you want popper to position it self in 'fixed' mode
+   * @prop {Boolean} positionFixed=false
+   */
+  positionFixed: false,
+
+  /**
+   * Whether events (resize, scroll) are initially enabled.
+   * @prop {Boolean} eventsEnabled=true
+   */
+  eventsEnabled: true,
+
+  /**
+   * Set to true if you want to automatically remove the popper when
+   * you call the `destroy` method.
+   * @prop {Boolean} removeOnDestroy=false
+   */
+  removeOnDestroy: false,
+
+  /**
+   * Callback called when the popper is created.<br />
+   * By default, it is set to no-op.<br />
+   * Access Popper.js instance with `data.instance`.
+   * @prop {onCreate}
+   */
+  onCreate: function onCreate() {},
+
+  /**
+   * Callback called when the popper is updated. This callback is not called
+   * on the initialization/creation of the popper, but only on subsequent
+   * updates.<br />
+   * By default, it is set to no-op.<br />
+   * Access Popper.js instance with `data.instance`.
+   * @prop {onUpdate}
+   */
+  onUpdate: function onUpdate() {},
+
+  /**
+   * List of modifiers used to modify the offsets before they are applied to the popper.
+   * They provide most of the functionalities of Popper.js.
+   * @prop {modifiers}
+   */
+  modifiers: modifiers
+};
+
+/**
+ * @callback onCreate
+ * @param {dataObject} data
+ */
+
+/**
+ * @callback onUpdate
+ * @param {dataObject} data
+ */
+
+// Utils
+// Methods
+var Popper = function () {
+  /**
+   * Creates a new Popper.js instance.
+   * @class Popper
+   * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper
+   * @param {HTMLElement} popper - The HTML element used as the popper
+   * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)
+   * @return {Object} instance - The generated Popper.js instance
+   */
+  function Popper(reference, popper) {
+    var _this = this;
+
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+    classCallCheck(this, Popper);
+
+    this.scheduleUpdate = function () {
+      return requestAnimationFrame(_this.update);
+    };
+
+    // make update() debounced, so that it only runs at most once-per-tick
+    this.update = debounce(this.update.bind(this));
+
+    // with {} we create a new object with the options inside it
+    this.options = _extends({}, Popper.Defaults, options);
+
+    // init state
+    this.state = {
+      isDestroyed: false,
+      isCreated: false,
+      scrollParents: []
+    };
+
+    // get reference and popper elements (allow jQuery wrappers)
+    this.reference = reference && reference.jquery ? reference[0] : reference;
+    this.popper = popper && popper.jquery ? popper[0] : popper;
+
+    // Deep merge modifiers options
+    this.options.modifiers = {};
+    Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {
+      _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});
+    });
+
+    // Refactoring modifiers' list (Object => Array)
+    this.modifiers = Object.keys(this.options.modifiers).map(function (name) {
+      return _extends({
+        name: name
+      }, _this.options.modifiers[name]);
+    })
+    // sort the modifiers by order
+    .sort(function (a, b) {
+      return a.order - b.order;
+    });
+
+    // modifiers have the ability to execute arbitrary code when Popper.js get inited
+    // such code is executed in the same order of its modifier
+    // they could add new properties to their options configuration
+    // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!
+    this.modifiers.forEach(function (modifierOptions) {
+      if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {
+        modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);
+      }
+    });
+
+    // fire the first update to position the popper in the right place
+    this.update();
+
+    var eventsEnabled = this.options.eventsEnabled;
+    if (eventsEnabled) {
+      // setup event listeners, they will take care of update the position in specific situations
+      this.enableEventListeners();
+    }
+
+    this.state.eventsEnabled = eventsEnabled;
+  }
+
+  // We can't use class properties because they don't get listed in the
+  // class prototype and break stuff like Sinon stubs
+
+
+  createClass(Popper, [{
+    key: 'update',
+    value: function update$$1() {
+      return update.call(this);
+    }
+  }, {
+    key: 'destroy',
+    value: function destroy$$1() {
+      return destroy.call(this);
+    }
+  }, {
+    key: 'enableEventListeners',
+    value: function enableEventListeners$$1() {
+      return enableEventListeners.call(this);
+    }
+  }, {
+    key: 'disableEventListeners',
+    value: function disableEventListeners$$1() {
+      return disableEventListeners.call(this);
+    }
+
+    /**
+     * Schedules an update. It will run on the next UI update available.
+     * @method scheduleUpdate
+     * @memberof Popper
+     */
+
+
+    /**
+     * Collection of utilities useful when writing custom modifiers.
+     * Starting from version 1.7, this method is available only if you
+     * include `popper-utils.js` before `popper.js`.
+     *
+     * **DEPRECATION**: This way to access PopperUtils is deprecated
+     * and will be removed in v2! Use the PopperUtils module directly instead.
+     * Due to the high instability of the methods contained in Utils, we can't
+     * guarantee them to follow semver. Use them at your own risk!
+     * @static
+     * @private
+     * @type {Object}
+     * @deprecated since version 1.8
+     * @member Utils
+     * @memberof Popper
+     */
+
+  }]);
+  return Popper;
+}();
+
+/**
+ * The `referenceObject` is an object that provides an interface compatible with Popper.js
+ * and lets you use it as replacement of a real DOM node.<br />
+ * You can use this method to position a popper relatively to a set of coordinates
+ * in case you don't have a DOM node to use as reference.
+ *
+ * ```
+ * new Popper(referenceObject, popperNode);
+ * ```
+ *
+ * NB: This feature isn't supported in Internet Explorer 10.
+ * @name referenceObject
+ * @property {Function} data.getBoundingClientRect
+ * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.
+ * @property {number} data.clientWidth
+ * An ES6 getter that will return the width of the virtual reference element.
+ * @property {number} data.clientHeight
+ * An ES6 getter that will return the height of the virtual reference element.
+ */
+
+
+Popper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;
+Popper.placements = placements;
+Popper.Defaults = Defaults;
+
+return Popper;
+
+})));
+//# sourceMappingURL=popper.js.map
diff --git a/js/popper.min.js b/js/popper.min.js
new file mode 100644
index 0000000..1e71598
--- /dev/null
+++ b/js/popper.min.js
@@ -0,0 +1,5 @@
+/*
+ Copyright (C) Federico Zivolo 2018
+ Distributed under the MIT License (license terms are at http://opensource.org/licenses/MIT).
+ */(function(e,t){'object'==typeof exports&&'undefined'!=typeof module?module.exports=t():'function'==typeof define&&define.amd?define(t):e.Popper=t()})(this,function(){'use strict';function e(e){return e&&'[object Function]'==={}.toString.call(e)}function t(e,t){if(1!==e.nodeType)return[];var o=getComputedStyle(e,null);return t?o[t]:o}function o(e){return'HTML'===e.nodeName?e:e.parentNode||e.host}function n(e){if(!e)return document.body;switch(e.nodeName){case'HTML':case'BODY':return e.ownerDocument.body;case'#document':return e.body;}var i=t(e),r=i.overflow,p=i.overflowX,s=i.overflowY;return /(auto|scroll|overlay)/.test(r+s+p)?e:n(o(e))}function r(e){return 11===e?re:10===e?pe:re||pe}function p(e){if(!e)return document.documentElement;for(var o=r(10)?document.body:null,n=e.offsetParent;n===o&&e.nextElementSibling;)n=(e=e.nextElementSibling).offsetParent;var i=n&&n.nodeName;return 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n=t[o];!1===n?e.removeAttribute(o):e.setAttribute(o,t[o])})}function q(e,t,o){var n=C(e,function(e){var o=e.name;return o===t}),i=!!n&&e.some(function(e){return e.name===o&&e.enabled&&e.order<n.order});if(!i){var r='`'+t+'`';console.warn('`'+o+'`'+' modifier is required by '+r+' modifier in order to work, be sure to include it before '+r+'!')}return i}function G(e){return'end'===e?'start':'start'===e?'end':e}function V(e){var t=1<arguments.length&&void 0!==arguments[1]&&arguments[1],o=me.indexOf(e),n=me.slice(o+1).concat(me.slice(0,o));return t?n.reverse():n}function z(e,t,o,n){var i=e.match(/((?:\-|\+)?\d*\.?\d*)(.*)/),r=+i[1],p=i[2];if(!r)return e;if(0===p.indexOf('%')){var s;switch(p){case'%p':s=o;break;case'%':case'%r':default:s=n;}var d=g(s);return d[t]/100*r}if('vh'===p||'vw'===p){var a;return a='vh'===p?J(document.documentElement.clientHeight,window.innerHeight||0):J(document.documentElement.clientWidth,window.innerWidth||0),a/100*r}return r}function _(e,t,o,n){var 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o=Y(+n)?[+n,0]:_(n,p,s,d),'left'===d?(p.top+=o[0],p.left-=o[1]):'right'===d?(p.top+=o[0],p.left+=o[1]):'top'===d?(p.left+=o[0],p.top-=o[1]):'bottom'===d&&(p.left+=o[0],p.top+=o[1]),e.popper=p,e}for(var Q=Math.min,Z=Math.round,$=Math.floor,J=Math.max,ee='undefined'!=typeof window&&'undefined'!=typeof document,te=['Edge','Trident','Firefox'],oe=0,ne=0;ne<te.length;ne+=1)if(ee&&0<=navigator.userAgent.indexOf(te[ne])){oe=1;break}var i=ee&&window.Promise,ie=i?function(e){var t=!1;return function(){t||(t=!0,window.Promise.resolve().then(function(){t=!1,e()}))}}:function(e){var t=!1;return function(){t||(t=!0,setTimeout(function(){t=!1,e()},oe))}},re=ee&&!!(window.MSInputMethodContext&&document.documentMode),pe=ee&&/MSIE 10/.test(navigator.userAgent),se=function(e,t){if(!(e instanceof t))throw new TypeError('Cannot call a class as a function')},de=function(){function e(e,t){for(var o,n=0;n<t.length;n++)o=t[n],o.enumerable=o.enumerable||!1,o.configurable=!0,'value'in o&&(o.writable=!0),Object.defineProperty(e,o.key,o)}return function(t,o,n){return o&&e(t.prototype,o),n&&e(t,n),t}}(),ae=function(e,t,o){return t in e?Object.defineProperty(e,t,{value:o,enumerable:!0,configurable:!0,writable:!0}):e[t]=o,e},le=Object.assign||function(e){for(var t,o=1;o<arguments.length;o++)for(var n in t=arguments[o],t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n]);return e},fe=['auto-start','auto','auto-end','top-start','top','top-end','right-start','right','right-end','bottom-end','bottom','bottom-start','left-end','left','left-start'],me=fe.slice(3),he={FLIP:'flip',CLOCKWISE:'clockwise',COUNTERCLOCKWISE:'counterclockwise'},ce=function(){function t(o,n){var i=this,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:{};se(this,t),this.scheduleUpdate=function(){return requestAnimationFrame(i.update)},this.update=ie(this.update.bind(this)),this.options=le({},t.Defaults,r),this.state={isDestroyed:!1,isCreated:!1,scrollParents:[]},this.reference=o&&o.jquery?o[0]:o,this.popper=n&&n.jquery?n[0]:n,this.options.modifiers={},Object.keys(le({},t.Defaults.modifiers,r.modifiers)).forEach(function(e){i.options.modifiers[e]=le({},t.Defaults.modifiers[e]||{},r.modifiers?r.modifiers[e]:{})}),this.modifiers=Object.keys(this.options.modifiers).map(function(e){return le({name:e},i.options.modifiers[e])}).sort(function(e,t){return e.order-t.order}),this.modifiers.forEach(function(t){t.enabled&&e(t.onLoad)&&t.onLoad(i.reference,i.popper,i.options,t,i.state)}),this.update();var p=this.options.eventsEnabled;p&&this.enableEventListeners(),this.state.eventsEnabled=p}return de(t,[{key:'update',value:function(){return k.call(this)}},{key:'destroy',value:function(){return B.call(this)}},{key:'enableEventListeners',value:function(){return I.call(this)}},{key:'disableEventListeners',value:function(){return U.call(this)}}]),t}();return ce.Utils=('undefined'==typeof window?global:window).PopperUtils,ce.placements=fe,ce.Defaults={placement:'bottom',positionFixed:!1,eventsEnabled:!0,removeOnDestroy:!1,onCreate:function(){},onUpdate:function(){},modifiers:{shift:{order:100,enabled:!0,fn:function(e){var t=e.placement,o=t.split('-')[0],n=t.split('-')[1];if(n){var i=e.offsets,r=i.reference,p=i.popper,s=-1!==['bottom','top'].indexOf(o),d=s?'left':'top',a=s?'width':'height',l={start:ae({},d,r[d]),end:ae({},d,r[d]+r[a]-p[a])};e.offsets.popper=le({},p,l[n])}return e}},offset:{order:200,enabled:!0,fn:X,offset:0},preventOverflow:{order:300,enabled:!0,fn:function(e,t){var o=t.boundariesElement||p(e.instance.popper);e.instance.reference===o&&(o=p(o));var n=H('transform'),i=e.instance.popper.style,r=i.top,s=i.left,d=i[n];i.top='',i.left='',i[n]='';var a=v(e.instance.popper,e.instance.reference,t.padding,o,e.positionFixed);i.top=r,i.left=s,i[n]=d,t.boundaries=a;var l=t.priority,f=e.offsets.popper,m={primary:function(e){var o=f[e];return f[e]<a[e]&&!t.escapeWithReference&&(o=J(f[e],a[e])),ae({},e,o)},secondary:function(e){var o='right'===e?'left':'top',n=f[o];return f[e]>a[e]&&!t.escapeWithReference&&(n=Q(f[o],a[e]-('right'===e?f.width:f.height))),ae({},o,n)}};return l.forEach(function(e){var t=-1===['left','top'].indexOf(e)?'secondary':'primary';f=le({},f,m[t](e))}),e.offsets.popper=f,e},priority:['left','right','top','bottom'],padding:5,boundariesElement:'scrollParent'},keepTogether:{order:400,enabled:!0,fn:function(e){var t=e.offsets,o=t.popper,n=t.reference,i=e.placement.split('-')[0],r=$,p=-1!==['top','bottom'].indexOf(i),s=p?'right':'bottom',d=p?'left':'top',a=p?'width':'height';return o[s]<r(n[d])&&(e.offsets.popper[d]=r(n[d])-o[a]),o[d]>r(n[s])&&(e.offsets.popper[d]=r(n[s])),e}},arrow:{order:500,enabled:!0,fn:function(e,o){var n;if(!q(e.instance.modifiers,'arrow','keepTogether'))return e;var i=o.element;if('string'==typeof i){if(i=e.instance.popper.querySelector(i),!i)return e;}else if(!e.instance.popper.contains(i))return console.warn('WARNING: `arrow.element` must be child of its popper element!'),e;var r=e.placement.split('-')[0],p=e.offsets,s=p.popper,d=p.reference,a=-1!==['left','right'].indexOf(r),l=a?'height':'width',f=a?'Top':'Left',m=f.toLowerCase(),h=a?'left':'top',c=a?'bottom':'right',u=S(i)[l];d[c]-u<s[m]&&(e.offsets.popper[m]-=s[m]-(d[c]-u)),d[m]+u>s[c]&&(e.offsets.popper[m]+=d[m]+u-s[c]),e.offsets.popper=g(e.offsets.popper);var b=d[m]+d[l]/2-u/2,y=t(e.instance.popper),w=parseFloat(y['margin'+f],10),E=parseFloat(y['border'+f+'Width'],10),v=b-e.offsets.popper[m]-w-E;return v=J(Q(s[l]-u,v),0),e.arrowElement=i,e.offsets.arrow=(n={},ae(n,m,Z(v)),ae(n,h,''),n),e},element:'[x-arrow]'},flip:{order:600,enabled:!0,fn:function(e,t){if(W(e.instance.modifiers,'inner'))return e;if(e.flipped&&e.placement===e.originalPlacement)return e;var o=v(e.instance.popper,e.instance.reference,t.padding,t.boundariesElement,e.positionFixed),n=e.placement.split('-')[0],i=T(n),r=e.placement.split('-')[1]||'',p=[];switch(t.behavior){case he.FLIP:p=[n,i];break;case he.CLOCKWISE:p=V(n);break;case he.COUNTERCLOCKWISE:p=V(n,!0);break;default:p=t.behavior;}return p.forEach(function(s,d){if(n!==s||p.length===d+1)return e;n=e.placement.split('-')[0],i=T(n);var a=e.offsets.popper,l=e.offsets.reference,f=$,m='left'===n&&f(a.right)>f(l.left)||'right'===n&&f(a.left)<f(l.right)||'top'===n&&f(a.bottom)>f(l.top)||'bottom'===n&&f(a.top)<f(l.bottom),h=f(a.left)<f(o.left),c=f(a.right)>f(o.right),g=f(a.top)<f(o.top),u=f(a.bottom)>f(o.bottom),b='left'===n&&h||'right'===n&&c||'top'===n&&g||'bottom'===n&&u,y=-1!==['top','bottom'].indexOf(n),w=!!t.flipVariations&&(y&&'start'===r&&h||y&&'end'===r&&c||!y&&'start'===r&&g||!y&&'end'===r&&u);(m||b||w)&&(e.flipped=!0,(m||b)&&(n=p[d+1]),w&&(r=G(r)),e.placement=n+(r?'-'+r:''),e.offsets.popper=le({},e.offsets.popper,D(e.instance.popper,e.offsets.reference,e.placement)),e=P(e.instance.modifiers,e,'flip'))}),e},behavior:'flip',padding:5,boundariesElement:'viewport'},inner:{order:700,enabled:!1,fn:function(e){var t=e.placement,o=t.split('-')[0],n=e.offsets,i=n.popper,r=n.reference,p=-1!==['left','right'].indexOf(o),s=-1===['top','left'].indexOf(o);return i[p?'left':'top']=r[o]-(s?i[p?'width':'height']:0),e.placement=T(t),e.offsets.popper=g(i),e}},hide:{order:800,enabled:!0,fn:function(e){if(!q(e.instance.modifiers,'hide','preventOverflow'))return e;var t=e.offsets.reference,o=C(e.instance.modifiers,function(e){return'preventOverflow'===e.name}).boundaries;if(t.bottom<o.top||t.left>o.right||t.top>o.bottom||t.right<o.left){if(!0===e.hide)return e;e.hide=!0,e.attributes['x-out-of-boundaries']=''}else{if(!1===e.hide)return e;e.hide=!1,e.attributes['x-out-of-boundaries']=!1}return e}},computeStyle:{order:850,enabled:!0,fn:function(e,t){var o=t.x,n=t.y,i=e.offsets.popper,r=C(e.instance.modifiers,function(e){return'applyStyle'===e.name}).gpuAcceleration;void 0!==r&&console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');var s,d,a=void 0===r?t.gpuAcceleration:r,l=p(e.instance.popper),f=u(l),m={position:i.position},h={left:$(i.left),top:Z(i.top),bottom:Z(i.bottom),right:$(i.right)},c='bottom'===o?'top':'bottom',g='right'===n?'left':'right',b=H('transform');if(d='bottom'==c?'HTML'===l.nodeName?-l.clientHeight+h.bottom:-f.height+h.bottom:h.top,s='right'==g?'HTML'===l.nodeName?-l.clientWidth+h.right:-f.width+h.right:h.left,a&&b)m[b]='translate3d('+s+'px, '+d+'px, 0)',m[c]=0,m[g]=0,m.willChange='transform';else{var y='bottom'==c?-1:1,w='right'==g?-1:1;m[c]=d*y,m[g]=s*w,m.willChange=c+', '+g}var E={"x-placement":e.placement};return e.attributes=le({},E,e.attributes),e.styles=le({},m,e.styles),e.arrowStyles=le({},e.offsets.arrow,e.arrowStyles),e},gpuAcceleration:!0,x:'bottom',y:'right'},applyStyle:{order:900,enabled:!0,fn:function(e){return j(e.instance.popper,e.styles),K(e.instance.popper,e.attributes),e.arrowElement&&Object.keys(e.arrowStyles).length&&j(e.arrowElement,e.arrowStyles),e},onLoad:function(e,t,o,n,i){var r=L(i,t,e,o.positionFixed),p=O(o.placement,r,t,e,o.modifiers.flip.boundariesElement,o.modifiers.flip.padding);return t.setAttribute('x-placement',p),j(t,{position:o.positionFixed?'fixed':'absolute'}),o},gpuAcceleration:void 0}}},ce});
+//# sourceMappingURL=popper.min.js.map
diff --git a/js/theme.js b/js/theme.js
new file mode 100644
index 0000000..6dd998c
--- /dev/null
+++ b/js/theme.js
@@ -0,0 +1,6540 @@
+/*!
+  * Bootstrap v4.1.3 (https://getbootstrap.com/)
+  * Copyright 2011-2018 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+  */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('jquery')) :
+  typeof define === 'function' && define.amd ? define(['exports', 'jquery'], factory) :
+  (factory((global.bootstrap = {}),global.jQuery));
+}(this, (function (exports,$) { 'use strict';
+
+  $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
+
+  function _defineProperty(obj, key, value) {
+    if (key in obj) {
+      Object.defineProperty(obj, key, {
+        value: value,
+        enumerable: true,
+        configurable: true,
+        writable: true
+      });
+    } else {
+      obj[key] = value;
+    }
+
+    return obj;
+  }
+
+  function _objectSpread(target) {
+    for (var i = 1; i < arguments.length; i++) {
+      var source = arguments[i] != null ? arguments[i] : {};
+      var ownKeys = Object.keys(source);
+
+      if (typeof Object.getOwnPropertySymbols === 'function') {
+        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
+          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
+        }));
+      }
+
+      ownKeys.forEach(function (key) {
+        _defineProperty(target, key, source[key]);
+      });
+    }
+
+    return target;
+  }
+
+  function _inheritsLoose(subClass, superClass) {
+    subClass.prototype = Object.create(superClass.prototype);
+    subClass.prototype.constructor = subClass;
+    subClass.__proto__ = superClass;
+  }
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): util.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Util = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Private TransitionEnd Helpers
+     * ------------------------------------------------------------------------
+     */
+    var TRANSITION_END = 'transitionend';
+    var MAX_UID = 1000000;
+    var MILLISECONDS_MULTIPLIER = 1000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
+
+    function toType(obj) {
+      return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
+    }
+
+    function getSpecialTransitionEndEvent() {
+      return {
+        bindType: TRANSITION_END,
+        delegateType: TRANSITION_END,
+        handle: function handle(event) {
+          if ($$$1(event.target).is(this)) {
+            return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
+          }
+
+          return undefined; // eslint-disable-line no-undefined
+        }
+      };
+    }
+
+    function transitionEndEmulator(duration) {
+      var _this = this;
+
+      var called = false;
+      $$$1(this).one(Util.TRANSITION_END, function () {
+        called = true;
+      });
+      setTimeout(function () {
+        if (!called) {
+          Util.triggerTransitionEnd(_this);
+        }
+      }, duration);
+      return this;
+    }
+
+    function setTransitionEndSupport() {
+      $$$1.fn.emulateTransitionEnd = transitionEndEmulator;
+      $$$1.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
+    }
+    /**
+     * --------------------------------------------------------------------------
+     * Public Util Api
+     * --------------------------------------------------------------------------
+     */
+
+
+    var Util = {
+      TRANSITION_END: 'bsTransitionEnd',
+      getUID: function getUID(prefix) {
+        do {
+          // eslint-disable-next-line no-bitwise
+          prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
+        } while (document.getElementById(prefix));
+
+        return prefix;
+      },
+      getSelectorFromElement: function getSelectorFromElement(element) {
+        var selector = element.getAttribute('data-target');
+
+        if (!selector || selector === '#') {
+          selector = element.getAttribute('href') || '';
+        }
+
+        try {
+          return document.querySelector(selector) ? selector : null;
+        } catch (err) {
+          return null;
+        }
+      },
+      getTransitionDurationFromElement: function getTransitionDurationFromElement(element) {
+        if (!element) {
+          return 0;
+        } // Get transition-duration of the element
+
+
+        var transitionDuration = $$$1(element).css('transition-duration');
+        var floatTransitionDuration = parseFloat(transitionDuration); // Return 0 if element or transition duration is not found
+
+        if (!floatTransitionDuration) {
+          return 0;
+        } // If multiple durations are defined, take the first
+
+
+        transitionDuration = transitionDuration.split(',')[0];
+        return parseFloat(transitionDuration) * MILLISECONDS_MULTIPLIER;
+      },
+      reflow: function reflow(element) {
+        return element.offsetHeight;
+      },
+      triggerTransitionEnd: function triggerTransitionEnd(element) {
+        $$$1(element).trigger(TRANSITION_END);
+      },
+      // TODO: Remove in v5
+      supportsTransitionEnd: function supportsTransitionEnd() {
+        return Boolean(TRANSITION_END);
+      },
+      isElement: function isElement(obj) {
+        return (obj[0] || obj).nodeType;
+      },
+      typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
+        for (var property in configTypes) {
+          if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
+            var expectedTypes = configTypes[property];
+            var value = config[property];
+            var valueType = value && Util.isElement(value) ? 'element' : toType(value);
+
+            if (!new RegExp(expectedTypes).test(valueType)) {
+              throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
+            }
+          }
+        }
+      }
+    };
+    setTransitionEndSupport();
+    return Util;
+  }($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): alert.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Alert = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'alert';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.alert';
+    var EVENT_KEY = "." + DATA_KEY;
+    var DATA_API_KEY = '.data-api';
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var Selector = {
+      DISMISS: '[data-dismiss="alert"]'
+    };
+    var Event = {
+      CLOSE: "close" + EVENT_KEY,
+      CLOSED: "closed" + EVENT_KEY,
+      CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
+    };
+    var ClassName = {
+      ALERT: 'alert',
+      FADE: 'fade',
+      SHOW: 'show'
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Alert =
+    /*#__PURE__*/
+    function () {
+      function Alert(element) {
+        this._element = element;
+      } // Getters
+
+
+      var _proto = Alert.prototype;
+
+      // Public
+      _proto.close = function close(element) {
+        var rootElement = this._element;
+
+        if (element) {
+          rootElement = this._getRootElement(element);
+        }
+
+        var customEvent = this._triggerCloseEvent(rootElement);
+
+        if (customEvent.isDefaultPrevented()) {
+          return;
+        }
+
+        this._removeElement(rootElement);
+      };
+
+      _proto.dispose = function dispose() {
+        $$$1.removeData(this._element, DATA_KEY);
+        this._element = null;
+      }; // Private
+
+
+      _proto._getRootElement = function _getRootElement(element) {
+        var selector = Util.getSelectorFromElement(element);
+        var parent = false;
+
+        if (selector) {
+          parent = document.querySelector(selector);
+        }
+
+        if (!parent) {
+          parent = $$$1(element).closest("." + ClassName.ALERT)[0];
+        }
+
+        return parent;
+      };
+
+      _proto._triggerCloseEvent = function _triggerCloseEvent(element) {
+        var closeEvent = $$$1.Event(Event.CLOSE);
+        $$$1(element).trigger(closeEvent);
+        return closeEvent;
+      };
+
+      _proto._removeElement = function _removeElement(element) {
+        var _this = this;
+
+        $$$1(element).removeClass(ClassName.SHOW);
+
+        if (!$$$1(element).hasClass(ClassName.FADE)) {
+          this._destroyElement(element);
+
+          return;
+        }
+
+        var transitionDuration = Util.getTransitionDurationFromElement(element);
+        $$$1(element).one(Util.TRANSITION_END, function (event) {
+          return _this._destroyElement(element, event);
+        }).emulateTransitionEnd(transitionDuration);
+      };
+
+      _proto._destroyElement = function _destroyElement(element) {
+        $$$1(element).detach().trigger(Event.CLOSED).remove();
+      }; // Static
+
+
+      Alert._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var $element = $$$1(this);
+          var data = $element.data(DATA_KEY);
+
+          if (!data) {
+            data = new Alert(this);
+            $element.data(DATA_KEY, data);
+          }
+
+          if (config === 'close') {
+            data[config](this);
+          }
+        });
+      };
+
+      Alert._handleDismiss = function _handleDismiss(alertInstance) {
+        return function (event) {
+          if (event) {
+            event.preventDefault();
+          }
+
+          alertInstance.close(this);
+        };
+      };
+
+      _createClass(Alert, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }]);
+
+      return Alert;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1(document).on(Event.CLICK_DATA_API, Selector.DISMISS, Alert._handleDismiss(new Alert()));
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+    $$$1.fn[NAME] = Alert._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Alert;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Alert._jQueryInterface;
+    };
+
+    return Alert;
+  }($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): button.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Button = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'button';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.button';
+    var EVENT_KEY = "." + DATA_KEY;
+    var DATA_API_KEY = '.data-api';
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var ClassName = {
+      ACTIVE: 'active',
+      BUTTON: 'btn',
+      FOCUS: 'focus'
+    };
+    var Selector = {
+      DATA_TOGGLE_CARROT: '[data-toggle^="button"]',
+      DATA_TOGGLE: '[data-toggle="buttons"]',
+      INPUT: 'input',
+      ACTIVE: '.active',
+      BUTTON: '.btn'
+    };
+    var Event = {
+      CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY,
+      FOCUS_BLUR_DATA_API: "focus" + EVENT_KEY + DATA_API_KEY + " " + ("blur" + EVENT_KEY + DATA_API_KEY)
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Button =
+    /*#__PURE__*/
+    function () {
+      function Button(element) {
+        this._element = element;
+      } // Getters
+
+
+      var _proto = Button.prototype;
+
+      // Public
+      _proto.toggle = function toggle() {
+        var triggerChangeEvent = true;
+        var addAriaPressed = true;
+        var rootElement = $$$1(this._element).closest(Selector.DATA_TOGGLE)[0];
+
+        if (rootElement) {
+          var input = this._element.querySelector(Selector.INPUT);
+
+          if (input) {
+            if (input.type === 'radio') {
+              if (input.checked && this._element.classList.contains(ClassName.ACTIVE)) {
+                triggerChangeEvent = false;
+              } else {
+                var activeElement = rootElement.querySelector(Selector.ACTIVE);
+
+                if (activeElement) {
+                  $$$1(activeElement).removeClass(ClassName.ACTIVE);
+                }
+              }
+            }
+
+            if (triggerChangeEvent) {
+              if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
+                return;
+              }
+
+              input.checked = !this._element.classList.contains(ClassName.ACTIVE);
+              $$$1(input).trigger('change');
+            }
+
+            input.focus();
+            addAriaPressed = false;
+          }
+        }
+
+        if (addAriaPressed) {
+          this._element.setAttribute('aria-pressed', !this._element.classList.contains(ClassName.ACTIVE));
+        }
+
+        if (triggerChangeEvent) {
+          $$$1(this._element).toggleClass(ClassName.ACTIVE);
+        }
+      };
+
+      _proto.dispose = function dispose() {
+        $$$1.removeData(this._element, DATA_KEY);
+        this._element = null;
+      }; // Static
+
+
+      Button._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $$$1(this).data(DATA_KEY);
+
+          if (!data) {
+            data = new Button(this);
+            $$$1(this).data(DATA_KEY, data);
+          }
+
+          if (config === 'toggle') {
+            data[config]();
+          }
+        });
+      };
+
+      _createClass(Button, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }]);
+
+      return Button;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) {
+      event.preventDefault();
+      var button = event.target;
+
+      if (!$$$1(button).hasClass(ClassName.BUTTON)) {
+        button = $$$1(button).closest(Selector.BUTTON);
+      }
+
+      Button._jQueryInterface.call($$$1(button), 'toggle');
+    }).on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) {
+      var button = $$$1(event.target).closest(Selector.BUTTON)[0];
+      $$$1(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type));
+    });
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+    $$$1.fn[NAME] = Button._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Button;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Button._jQueryInterface;
+    };
+
+    return Button;
+  }($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): carousel.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Carousel = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'carousel';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.carousel';
+    var EVENT_KEY = "." + DATA_KEY;
+    var DATA_API_KEY = '.data-api';
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
+
+    var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
+
+    var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
+
+    var Default = {
+      interval: 5000,
+      keyboard: true,
+      slide: false,
+      pause: 'hover',
+      wrap: true
+    };
+    var DefaultType = {
+      interval: '(number|boolean)',
+      keyboard: 'boolean',
+      slide: '(boolean|string)',
+      pause: '(string|boolean)',
+      wrap: 'boolean'
+    };
+    var Direction = {
+      NEXT: 'next',
+      PREV: 'prev',
+      LEFT: 'left',
+      RIGHT: 'right'
+    };
+    var Event = {
+      SLIDE: "slide" + EVENT_KEY,
+      SLID: "slid" + EVENT_KEY,
+      KEYDOWN: "keydown" + EVENT_KEY,
+      MOUSEENTER: "mouseenter" + EVENT_KEY,
+      MOUSELEAVE: "mouseleave" + EVENT_KEY,
+      TOUCHEND: "touchend" + EVENT_KEY,
+      LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY,
+      CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
+    };
+    var ClassName = {
+      CAROUSEL: 'carousel',
+      ACTIVE: 'active',
+      SLIDE: 'slide',
+      RIGHT: 'carousel-item-right',
+      LEFT: 'carousel-item-left',
+      NEXT: 'carousel-item-next',
+      PREV: 'carousel-item-prev',
+      ITEM: 'carousel-item'
+    };
+    var Selector = {
+      ACTIVE: '.active',
+      ACTIVE_ITEM: '.active.carousel-item',
+      ITEM: '.carousel-item',
+      NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
+      INDICATORS: '.carousel-indicators',
+      DATA_SLIDE: '[data-slide], [data-slide-to]',
+      DATA_RIDE: '[data-ride="carousel"]'
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Carousel =
+    /*#__PURE__*/
+    function () {
+      function Carousel(element, config) {
+        this._items = null;
+        this._interval = null;
+        this._activeElement = null;
+        this._isPaused = false;
+        this._isSliding = false;
+        this.touchTimeout = null;
+        this._config = this._getConfig(config);
+        this._element = $$$1(element)[0];
+        this._indicatorsElement = this._element.querySelector(Selector.INDICATORS);
+
+        this._addEventListeners();
+      } // Getters
+
+
+      var _proto = Carousel.prototype;
+
+      // Public
+      _proto.next = function next() {
+        if (!this._isSliding) {
+          this._slide(Direction.NEXT);
+        }
+      };
+
+      _proto.nextWhenVisible = function nextWhenVisible() {
+        // Don't call next when the page isn't visible
+        // or the carousel or its parent isn't visible
+        if (!document.hidden && $$$1(this._element).is(':visible') && $$$1(this._element).css('visibility') !== 'hidden') {
+          this.next();
+        }
+      };
+
+      _proto.prev = function prev() {
+        if (!this._isSliding) {
+          this._slide(Direction.PREV);
+        }
+      };
+
+      _proto.pause = function pause(event) {
+        if (!event) {
+          this._isPaused = true;
+        }
+
+        if (this._element.querySelector(Selector.NEXT_PREV)) {
+          Util.triggerTransitionEnd(this._element);
+          this.cycle(true);
+        }
+
+        clearInterval(this._interval);
+        this._interval = null;
+      };
+
+      _proto.cycle = function cycle(event) {
+        if (!event) {
+          this._isPaused = false;
+        }
+
+        if (this._interval) {
+          clearInterval(this._interval);
+          this._interval = null;
+        }
+
+        if (this._config.interval && !this._isPaused) {
+          this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
+        }
+      };
+
+      _proto.to = function to(index) {
+        var _this = this;
+
+        this._activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);
+
+        var activeIndex = this._getItemIndex(this._activeElement);
+
+        if (index > this._items.length - 1 || index < 0) {
+          return;
+        }
+
+        if (this._isSliding) {
+          $$$1(this._element).one(Event.SLID, function () {
+            return _this.to(index);
+          });
+          return;
+        }
+
+        if (activeIndex === index) {
+          this.pause();
+          this.cycle();
+          return;
+        }
+
+        var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;
+
+        this._slide(direction, this._items[index]);
+      };
+
+      _proto.dispose = function dispose() {
+        $$$1(this._element).off(EVENT_KEY);
+        $$$1.removeData(this._element, DATA_KEY);
+        this._items = null;
+        this._config = null;
+        this._element = null;
+        this._interval = null;
+        this._isPaused = null;
+        this._isSliding = null;
+        this._activeElement = null;
+        this._indicatorsElement = null;
+      }; // Private
+
+
+      _proto._getConfig = function _getConfig(config) {
+        config = _objectSpread({}, Default, config);
+        Util.typeCheckConfig(NAME, config, DefaultType);
+        return config;
+      };
+
+      _proto._addEventListeners = function _addEventListeners() {
+        var _this2 = this;
+
+        if (this._config.keyboard) {
+          $$$1(this._element).on(Event.KEYDOWN, function (event) {
+            return _this2._keydown(event);
+          });
+        }
+
+        if (this._config.pause === 'hover') {
+          $$$1(this._element).on(Event.MOUSEENTER, function (event) {
+            return _this2.pause(event);
+          }).on(Event.MOUSELEAVE, function (event) {
+            return _this2.cycle(event);
+          });
+
+          if ('ontouchstart' in document.documentElement) {
+            // If it's a touch-enabled device, mouseenter/leave are fired as
+            // part of the mouse compatibility events on first tap - the carousel
+            // would stop cycling until user tapped out of it;
+            // here, we listen for touchend, explicitly pause the carousel
+            // (as if it's the second time we tap on it, mouseenter compat event
+            // is NOT fired) and after a timeout (to allow for mouse compatibility
+            // events to fire) we explicitly restart cycling
+            $$$1(this._element).on(Event.TOUCHEND, function () {
+              _this2.pause();
+
+              if (_this2.touchTimeout) {
+                clearTimeout(_this2.touchTimeout);
+              }
+
+              _this2.touchTimeout = setTimeout(function (event) {
+                return _this2.cycle(event);
+              }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval);
+            });
+          }
+        }
+      };
+
+      _proto._keydown = function _keydown(event) {
+        if (/input|textarea/i.test(event.target.tagName)) {
+          return;
+        }
+
+        switch (event.which) {
+          case ARROW_LEFT_KEYCODE:
+            event.preventDefault();
+            this.prev();
+            break;
+
+          case ARROW_RIGHT_KEYCODE:
+            event.preventDefault();
+            this.next();
+            break;
+
+          default:
+        }
+      };
+
+      _proto._getItemIndex = function _getItemIndex(element) {
+        this._items = element && element.parentNode ? [].slice.call(element.parentNode.querySelectorAll(Selector.ITEM)) : [];
+        return this._items.indexOf(element);
+      };
+
+      _proto._getItemByDirection = function _getItemByDirection(direction, activeElement) {
+        var isNextDirection = direction === Direction.NEXT;
+        var isPrevDirection = direction === Direction.PREV;
+
+        var activeIndex = this._getItemIndex(activeElement);
+
+        var lastItemIndex = this._items.length - 1;
+        var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
+
+        if (isGoingToWrap && !this._config.wrap) {
+          return activeElement;
+        }
+
+        var delta = direction === Direction.PREV ? -1 : 1;
+        var itemIndex = (activeIndex + delta) % this._items.length;
+        return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
+      };
+
+      _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
+        var targetIndex = this._getItemIndex(relatedTarget);
+
+        var fromIndex = this._getItemIndex(this._element.querySelector(Selector.ACTIVE_ITEM));
+
+        var slideEvent = $$$1.Event(Event.SLIDE, {
+          relatedTarget: relatedTarget,
+          direction: eventDirectionName,
+          from: fromIndex,
+          to: targetIndex
+        });
+        $$$1(this._element).trigger(slideEvent);
+        return slideEvent;
+      };
+
+      _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) {
+        if (this._indicatorsElement) {
+          var indicators = [].slice.call(this._indicatorsElement.querySelectorAll(Selector.ACTIVE));
+          $$$1(indicators).removeClass(ClassName.ACTIVE);
+
+          var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];
+
+          if (nextIndicator) {
+            $$$1(nextIndicator).addClass(ClassName.ACTIVE);
+          }
+        }
+      };
+
+      _proto._slide = function _slide(direction, element) {
+        var _this3 = this;
+
+        var activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);
+
+        var activeElementIndex = this._getItemIndex(activeElement);
+
+        var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
+
+        var nextElementIndex = this._getItemIndex(nextElement);
+
+        var isCycling = Boolean(this._interval);
+        var directionalClassName;
+        var orderClassName;
+        var eventDirectionName;
+
+        if (direction === Direction.NEXT) {
+          directionalClassName = ClassName.LEFT;
+          orderClassName = ClassName.NEXT;
+          eventDirectionName = Direction.LEFT;
+        } else {
+          directionalClassName = ClassName.RIGHT;
+          orderClassName = ClassName.PREV;
+          eventDirectionName = Direction.RIGHT;
+        }
+
+        if (nextElement && $$$1(nextElement).hasClass(ClassName.ACTIVE)) {
+          this._isSliding = false;
+          return;
+        }
+
+        var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
+
+        if (slideEvent.isDefaultPrevented()) {
+          return;
+        }
+
+        if (!activeElement || !nextElement) {
+          // Some weirdness is happening, so we bail
+          return;
+        }
+
+        this._isSliding = true;
+
+        if (isCycling) {
+          this.pause();
+        }
+
+        this._setActiveIndicatorElement(nextElement);
+
+        var slidEvent = $$$1.Event(Event.SLID, {
+          relatedTarget: nextElement,
+          direction: eventDirectionName,
+          from: activeElementIndex,
+          to: nextElementIndex
+        });
+
+        if ($$$1(this._element).hasClass(ClassName.SLIDE)) {
+          $$$1(nextElement).addClass(orderClassName);
+          Util.reflow(nextElement);
+          $$$1(activeElement).addClass(directionalClassName);
+          $$$1(nextElement).addClass(directionalClassName);
+          var transitionDuration = Util.getTransitionDurationFromElement(activeElement);
+          $$$1(activeElement).one(Util.TRANSITION_END, function () {
+            $$$1(nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(ClassName.ACTIVE);
+            $$$1(activeElement).removeClass(ClassName.ACTIVE + " " + orderClassName + " " + directionalClassName);
+            _this3._isSliding = false;
+            setTimeout(function () {
+              return $$$1(_this3._element).trigger(slidEvent);
+            }, 0);
+          }).emulateTransitionEnd(transitionDuration);
+        } else {
+          $$$1(activeElement).removeClass(ClassName.ACTIVE);
+          $$$1(nextElement).addClass(ClassName.ACTIVE);
+          this._isSliding = false;
+          $$$1(this._element).trigger(slidEvent);
+        }
+
+        if (isCycling) {
+          this.cycle();
+        }
+      }; // Static
+
+
+      Carousel._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $$$1(this).data(DATA_KEY);
+
+          var _config = _objectSpread({}, Default, $$$1(this).data());
+
+          if (typeof config === 'object') {
+            _config = _objectSpread({}, _config, config);
+          }
+
+          var action = typeof config === 'string' ? config : _config.slide;
+
+          if (!data) {
+            data = new Carousel(this, _config);
+            $$$1(this).data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'number') {
+            data.to(config);
+          } else if (typeof action === 'string') {
+            if (typeof data[action] === 'undefined') {
+              throw new TypeError("No method named \"" + action + "\"");
+            }
+
+            data[action]();
+          } else if (_config.interval) {
+            data.pause();
+            data.cycle();
+          }
+        });
+      };
+
+      Carousel._dataApiClickHandler = function _dataApiClickHandler(event) {
+        var selector = Util.getSelectorFromElement(this);
+
+        if (!selector) {
+          return;
+        }
+
+        var target = $$$1(selector)[0];
+
+        if (!target || !$$$1(target).hasClass(ClassName.CAROUSEL)) {
+          return;
+        }
+
+        var config = _objectSpread({}, $$$1(target).data(), $$$1(this).data());
+
+        var slideIndex = this.getAttribute('data-slide-to');
+
+        if (slideIndex) {
+          config.interval = false;
+        }
+
+        Carousel._jQueryInterface.call($$$1(target), config);
+
+        if (slideIndex) {
+          $$$1(target).data(DATA_KEY).to(slideIndex);
+        }
+
+        event.preventDefault();
+      };
+
+      _createClass(Carousel, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }, {
+        key: "Default",
+        get: function get() {
+          return Default;
+        }
+      }]);
+
+      return Carousel;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler);
+    $$$1(window).on(Event.LOAD_DATA_API, function () {
+      var carousels = [].slice.call(document.querySelectorAll(Selector.DATA_RIDE));
+
+      for (var i = 0, len = carousels.length; i < len; i++) {
+        var $carousel = $$$1(carousels[i]);
+
+        Carousel._jQueryInterface.call($carousel, $carousel.data());
+      }
+    });
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+    $$$1.fn[NAME] = Carousel._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Carousel;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Carousel._jQueryInterface;
+    };
+
+    return Carousel;
+  }($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): collapse.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Collapse = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'collapse';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.collapse';
+    var EVENT_KEY = "." + DATA_KEY;
+    var DATA_API_KEY = '.data-api';
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var Default = {
+      toggle: true,
+      parent: ''
+    };
+    var DefaultType = {
+      toggle: 'boolean',
+      parent: '(string|element)'
+    };
+    var Event = {
+      SHOW: "show" + EVENT_KEY,
+      SHOWN: "shown" + EVENT_KEY,
+      HIDE: "hide" + EVENT_KEY,
+      HIDDEN: "hidden" + EVENT_KEY,
+      CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
+    };
+    var ClassName = {
+      SHOW: 'show',
+      COLLAPSE: 'collapse',
+      COLLAPSING: 'collapsing',
+      COLLAPSED: 'collapsed'
+    };
+    var Dimension = {
+      WIDTH: 'width',
+      HEIGHT: 'height'
+    };
+    var Selector = {
+      ACTIVES: '.show, .collapsing',
+      DATA_TOGGLE: '[data-toggle="collapse"]'
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Collapse =
+    /*#__PURE__*/
+    function () {
+      function Collapse(element, config) {
+        this._isTransitioning = false;
+        this._element = element;
+        this._config = this._getConfig(config);
+        this._triggerArray = $$$1.makeArray(document.querySelectorAll("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
+        var toggleList = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE));
+
+        for (var i = 0, len = toggleList.length; i < len; i++) {
+          var elem = toggleList[i];
+          var selector = Util.getSelectorFromElement(elem);
+          var filterElement = [].slice.call(document.querySelectorAll(selector)).filter(function (foundElem) {
+            return foundElem === element;
+          });
+
+          if (selector !== null && filterElement.length > 0) {
+            this._selector = selector;
+
+            this._triggerArray.push(elem);
+          }
+        }
+
+        this._parent = this._config.parent ? this._getParent() : null;
+
+        if (!this._config.parent) {
+          this._addAriaAndCollapsedClass(this._element, this._triggerArray);
+        }
+
+        if (this._config.toggle) {
+          this.toggle();
+        }
+      } // Getters
+
+
+      var _proto = Collapse.prototype;
+
+      // Public
+      _proto.toggle = function toggle() {
+        if ($$$1(this._element).hasClass(ClassName.SHOW)) {
+          this.hide();
+        } else {
+          this.show();
+        }
+      };
+
+      _proto.show = function show() {
+        var _this = this;
+
+        if (this._isTransitioning || $$$1(this._element).hasClass(ClassName.SHOW)) {
+          return;
+        }
+
+        var actives;
+        var activesData;
+
+        if (this._parent) {
+          actives = [].slice.call(this._parent.querySelectorAll(Selector.ACTIVES)).filter(function (elem) {
+            return elem.getAttribute('data-parent') === _this._config.parent;
+          });
+
+          if (actives.length === 0) {
+            actives = null;
+          }
+        }
+
+        if (actives) {
+          activesData = $$$1(actives).not(this._selector).data(DATA_KEY);
+
+          if (activesData && activesData._isTransitioning) {
+            return;
+          }
+        }
+
+        var startEvent = $$$1.Event(Event.SHOW);
+        $$$1(this._element).trigger(startEvent);
+
+        if (startEvent.isDefaultPrevented()) {
+          return;
+        }
+
+        if (actives) {
+          Collapse._jQueryInterface.call($$$1(actives).not(this._selector), 'hide');
+
+          if (!activesData) {
+            $$$1(actives).data(DATA_KEY, null);
+          }
+        }
+
+        var dimension = this._getDimension();
+
+        $$$1(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
+        this._element.style[dimension] = 0;
+
+        if (this._triggerArray.length) {
+          $$$1(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
+        }
+
+        this.setTransitioning(true);
+
+        var complete = function complete() {
+          $$$1(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
+          _this._element.style[dimension] = '';
+
+          _this.setTransitioning(false);
+
+          $$$1(_this._element).trigger(Event.SHOWN);
+        };
+
+        var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
+        var scrollSize = "scroll" + capitalizedDimension;
+        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
+        $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+        this._element.style[dimension] = this._element[scrollSize] + "px";
+      };
+
+      _proto.hide = function hide() {
+        var _this2 = this;
+
+        if (this._isTransitioning || !$$$1(this._element).hasClass(ClassName.SHOW)) {
+          return;
+        }
+
+        var startEvent = $$$1.Event(Event.HIDE);
+        $$$1(this._element).trigger(startEvent);
+
+        if (startEvent.isDefaultPrevented()) {
+          return;
+        }
+
+        var dimension = this._getDimension();
+
+        this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px";
+        Util.reflow(this._element);
+        $$$1(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
+        var triggerArrayLength = this._triggerArray.length;
+
+        if (triggerArrayLength > 0) {
+          for (var i = 0; i < triggerArrayLength; i++) {
+            var trigger = this._triggerArray[i];
+            var selector = Util.getSelectorFromElement(trigger);
+
+            if (selector !== null) {
+              var $elem = $$$1([].slice.call(document.querySelectorAll(selector)));
+
+              if (!$elem.hasClass(ClassName.SHOW)) {
+                $$$1(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
+              }
+            }
+          }
+        }
+
+        this.setTransitioning(true);
+
+        var complete = function complete() {
+          _this2.setTransitioning(false);
+
+          $$$1(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
+        };
+
+        this._element.style[dimension] = '';
+        var transitionDuration = Util.getTransitionDurationFromElement(this._element);
+        $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+      };
+
+      _proto.setTransitioning = function setTransitioning(isTransitioning) {
+        this._isTransitioning = isTransitioning;
+      };
+
+      _proto.dispose = function dispose() {
+        $$$1.removeData(this._element, DATA_KEY);
+        this._config = null;
+        this._parent = null;
+        this._element = null;
+        this._triggerArray = null;
+        this._isTransitioning = null;
+      }; // Private
+
+
+      _proto._getConfig = function _getConfig(config) {
+        config = _objectSpread({}, Default, config);
+        config.toggle = Boolean(config.toggle); // Coerce string values
+
+        Util.typeCheckConfig(NAME, config, DefaultType);
+        return config;
+      };
+
+      _proto._getDimension = function _getDimension() {
+        var hasWidth = $$$1(this._element).hasClass(Dimension.WIDTH);
+        return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
+      };
+
+      _proto._getParent = function _getParent() {
+        var _this3 = this;
+
+        var parent = null;
+
+        if (Util.isElement(this._config.parent)) {
+          parent = this._config.parent; // It's a jQuery object
+
+          if (typeof this._config.parent.jquery !== 'undefined') {
+            parent = this._config.parent[0];
+          }
+        } else {
+          parent = document.querySelector(this._config.parent);
+        }
+
+        var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]";
+        var children = [].slice.call(parent.querySelectorAll(selector));
+        $$$1(children).each(function (i, element) {
+          _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
+        });
+        return parent;
+      };
+
+      _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
+        if (element) {
+          var isOpen = $$$1(element).hasClass(ClassName.SHOW);
+
+          if (triggerArray.length) {
+            $$$1(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
+          }
+        }
+      }; // Static
+
+
+      Collapse._getTargetFromElement = function _getTargetFromElement(element) {
+        var selector = Util.getSelectorFromElement(element);
+        return selector ? document.querySelector(selector) : null;
+      };
+
+      Collapse._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var $this = $$$1(this);
+          var data = $this.data(DATA_KEY);
+
+          var _config = _objectSpread({}, Default, $this.data(), typeof config === 'object' && config ? config : {});
+
+          if (!data && _config.toggle && /show|hide/.test(config)) {
+            _config.toggle = false;
+          }
+
+          if (!data) {
+            data = new Collapse(this, _config);
+            $this.data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new TypeError("No method named \"" + config + "\"");
+            }
+
+            data[config]();
+          }
+        });
+      };
+
+      _createClass(Collapse, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }, {
+        key: "Default",
+        get: function get() {
+          return Default;
+        }
+      }]);
+
+      return Collapse;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+      // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
+      if (event.currentTarget.tagName === 'A') {
+        event.preventDefault();
+      }
+
+      var $trigger = $$$1(this);
+      var selector = Util.getSelectorFromElement(this);
+      var selectors = [].slice.call(document.querySelectorAll(selector));
+      $$$1(selectors).each(function () {
+        var $target = $$$1(this);
+        var data = $target.data(DATA_KEY);
+        var config = data ? 'toggle' : $trigger.data();
+
+        Collapse._jQueryInterface.call($target, config);
+      });
+    });
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+    $$$1.fn[NAME] = Collapse._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Collapse;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Collapse._jQueryInterface;
+    };
+
+    return Collapse;
+  }($);
+
+  /**!
+   * @fileOverview Kickass library to create and place poppers near their reference elements.
+   * @version 1.14.3
+   * @license
+   * Copyright (c) 2016 Federico Zivolo and contributors
+   *
+   * Permission is hereby granted, free of charge, to any person obtaining a copy
+   * of this software and associated documentation files (the "Software"), to deal
+   * in the Software without restriction, including without limitation the rights
+   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   * copies of the Software, and to permit persons to whom the Software is
+   * furnished to do so, subject to the following conditions:
+   *
+   * The above copyright notice and this permission notice shall be included in all
+   * copies or substantial portions of the Software.
+   *
+   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+   * SOFTWARE.
+   */
+  var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined';
+
+  var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];
+  var timeoutDuration = 0;
+  for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {
+    if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {
+      timeoutDuration = 1;
+      break;
+    }
+  }
+
+  function microtaskDebounce(fn) {
+    var called = false;
+    return function () {
+      if (called) {
+        return;
+      }
+      called = true;
+      window.Promise.resolve().then(function () {
+        called = false;
+        fn();
+      });
+    };
+  }
+
+  function taskDebounce(fn) {
+    var scheduled = false;
+    return function () {
+      if (!scheduled) {
+        scheduled = true;
+        setTimeout(function () {
+          scheduled = false;
+          fn();
+        }, timeoutDuration);
+      }
+    };
+  }
+
+  var supportsMicroTasks = isBrowser && window.Promise;
+
+  /**
+  * Create a debounced version of a method, that's asynchronously deferred
+  * but called in the minimum time possible.
+  *
+  * @method
+  * @memberof Popper.Utils
+  * @argument {Function} fn
+  * @returns {Function}
+  */
+  var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;
+
+  /**
+   * Check if the given variable is a function
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Any} functionToCheck - variable to check
+   * @returns {Boolean} answer to: is a function?
+   */
+  function isFunction(functionToCheck) {
+    var getType = {};
+    return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
+  }
+
+  /**
+   * Get CSS computed property of the given element
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Eement} element
+   * @argument {String} property
+   */
+  function getStyleComputedProperty(element, property) {
+    if (element.nodeType !== 1) {
+      return [];
+    }
+    // NOTE: 1 DOM access here
+    var css = getComputedStyle(element, null);
+    return property ? css[property] : css;
+  }
+
+  /**
+   * Returns the parentNode or the host of the element
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element
+   * @returns {Element} parent
+   */
+  function getParentNode(element) {
+    if (element.nodeName === 'HTML') {
+      return element;
+    }
+    return element.parentNode || element.host;
+  }
+
+  /**
+   * Returns the scrolling parent of the given element
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element
+   * @returns {Element} scroll parent
+   */
+  function getScrollParent(element) {
+    // Return body, `getScroll` will take care to get the correct `scrollTop` from it
+    if (!element) {
+      return document.body;
+    }
+
+    switch (element.nodeName) {
+      case 'HTML':
+      case 'BODY':
+        return element.ownerDocument.body;
+      case '#document':
+        return element.body;
+    }
+
+    // Firefox want us to check `-x` and `-y` variations as well
+
+    var _getStyleComputedProp = getStyleComputedProperty(element),
+        overflow = _getStyleComputedProp.overflow,
+        overflowX = _getStyleComputedProp.overflowX,
+        overflowY = _getStyleComputedProp.overflowY;
+
+    if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) {
+      return element;
+    }
+
+    return getScrollParent(getParentNode(element));
+  }
+
+  var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode);
+  var isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent);
+
+  /**
+   * Determines if the browser is Internet Explorer
+   * @method
+   * @memberof Popper.Utils
+   * @param {Number} version to check
+   * @returns {Boolean} isIE
+   */
+  function isIE(version) {
+    if (version === 11) {
+      return isIE11;
+    }
+    if (version === 10) {
+      return isIE10;
+    }
+    return isIE11 || isIE10;
+  }
+
+  /**
+   * Returns the offset parent of the given element
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element
+   * @returns {Element} offset parent
+   */
+  function getOffsetParent(element) {
+    if (!element) {
+      return document.documentElement;
+    }
+
+    var noOffsetParent = isIE(10) ? document.body : null;
+
+    // NOTE: 1 DOM access here
+    var offsetParent = element.offsetParent;
+    // Skip hidden elements which don't have an offsetParent
+    while (offsetParent === noOffsetParent && element.nextElementSibling) {
+      offsetParent = (element = element.nextElementSibling).offsetParent;
+    }
+
+    var nodeName = offsetParent && offsetParent.nodeName;
+
+    if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {
+      return element ? element.ownerDocument.documentElement : document.documentElement;
+    }
+
+    // .offsetParent will return the closest TD or TABLE in case
+    // no offsetParent is present, I hate this job...
+    if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {
+      return getOffsetParent(offsetParent);
+    }
+
+    return offsetParent;
+  }
+
+  function isOffsetContainer(element) {
+    var nodeName = element.nodeName;
+
+    if (nodeName === 'BODY') {
+      return false;
+    }
+    return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;
+  }
+
+  /**
+   * Finds the root node (document, shadowDOM root) of the given element
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} node
+   * @returns {Element} root node
+   */
+  function getRoot(node) {
+    if (node.parentNode !== null) {
+      return getRoot(node.parentNode);
+    }
+
+    return node;
+  }
+
+  /**
+   * Finds the offset parent common to the two provided nodes
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element1
+   * @argument {Element} element2
+   * @returns {Element} common offset parent
+   */
+  function findCommonOffsetParent(element1, element2) {
+    // This check is needed to avoid errors in case one of the elements isn't defined for any reason
+    if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {
+      return document.documentElement;
+    }
+
+    // Here we make sure to give as "start" the element that comes first in the DOM
+    var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;
+    var start = order ? element1 : element2;
+    var end = order ? element2 : element1;
+
+    // Get common ancestor container
+    var range = document.createRange();
+    range.setStart(start, 0);
+    range.setEnd(end, 0);
+    var commonAncestorContainer = range.commonAncestorContainer;
+
+    // Both nodes are inside #document
+
+    if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {
+      if (isOffsetContainer(commonAncestorContainer)) {
+        return commonAncestorContainer;
+      }
+
+      return getOffsetParent(commonAncestorContainer);
+    }
+
+    // one of the nodes is inside shadowDOM, find which one
+    var element1root = getRoot(element1);
+    if (element1root.host) {
+      return findCommonOffsetParent(element1root.host, element2);
+    } else {
+      return findCommonOffsetParent(element1, getRoot(element2).host);
+    }
+  }
+
+  /**
+   * Gets the scroll value of the given element in the given side (top and left)
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element
+   * @argument {String} side `top` or `left`
+   * @returns {number} amount of scrolled pixels
+   */
+  function getScroll(element) {
+    var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';
+
+    var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';
+    var nodeName = element.nodeName;
+
+    if (nodeName === 'BODY' || nodeName === 'HTML') {
+      var html = element.ownerDocument.documentElement;
+      var scrollingElement = element.ownerDocument.scrollingElement || html;
+      return scrollingElement[upperSide];
+    }
+
+    return element[upperSide];
+  }
+
+  /*
+   * Sum or subtract the element scroll values (left and top) from a given rect object
+   * @method
+   * @memberof Popper.Utils
+   * @param {Object} rect - Rect object you want to change
+   * @param {HTMLElement} element - The element from the function reads the scroll values
+   * @param {Boolean} subtract - set to true if you want to subtract the scroll values
+   * @return {Object} rect - The modifier rect object
+   */
+  function includeScroll(rect, element) {
+    var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    var scrollTop = getScroll(element, 'top');
+    var scrollLeft = getScroll(element, 'left');
+    var modifier = subtract ? -1 : 1;
+    rect.top += scrollTop * modifier;
+    rect.bottom += scrollTop * modifier;
+    rect.left += scrollLeft * modifier;
+    rect.right += scrollLeft * modifier;
+    return rect;
+  }
+
+  /*
+   * Helper to detect borders of a given element
+   * @method
+   * @memberof Popper.Utils
+   * @param {CSSStyleDeclaration} styles
+   * Result of `getStyleComputedProperty` on the given element
+   * @param {String} axis - `x` or `y`
+   * @return {number} borders - The borders size of the given axis
+   */
+
+  function getBordersSize(styles, axis) {
+    var sideA = axis === 'x' ? 'Left' : 'Top';
+    var sideB = sideA === 'Left' ? 'Right' : 'Bottom';
+
+    return parseFloat(styles['border' + sideA + 'Width'], 10) + parseFloat(styles['border' + sideB + 'Width'], 10);
+  }
+
+  function getSize(axis, body, html, computedStyle) {
+    return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE(10) ? html['offset' + axis] + computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')] + computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')] : 0);
+  }
+
+  function getWindowSizes() {
+    var body = document.body;
+    var html = document.documentElement;
+    var computedStyle = isIE(10) && getComputedStyle(html);
+
+    return {
+      height: getSize('Height', body, html, computedStyle),
+      width: getSize('Width', body, html, computedStyle)
+    };
+  }
+
+  var classCallCheck = function (instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  };
+
+  var createClass = function () {
+    function defineProperties(target, props) {
+      for (var i = 0; i < props.length; i++) {
+        var descriptor = props[i];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor) descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
+      }
+    }
+
+    return function (Constructor, protoProps, staticProps) {
+      if (protoProps) defineProperties(Constructor.prototype, protoProps);
+      if (staticProps) defineProperties(Constructor, staticProps);
+      return Constructor;
+    };
+  }();
+
+
+
+
+
+  var defineProperty = function (obj, key, value) {
+    if (key in obj) {
+      Object.defineProperty(obj, key, {
+        value: value,
+        enumerable: true,
+        configurable: true,
+        writable: true
+      });
+    } else {
+      obj[key] = value;
+    }
+
+    return obj;
+  };
+
+  var _extends = Object.assign || function (target) {
+    for (var i = 1; i < arguments.length; i++) {
+      var source = arguments[i];
+
+      for (var key in source) {
+        if (Object.prototype.hasOwnProperty.call(source, key)) {
+          target[key] = source[key];
+        }
+      }
+    }
+
+    return target;
+  };
+
+  /**
+   * Given element offsets, generate an output similar to getBoundingClientRect
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Object} offsets
+   * @returns {Object} ClientRect like output
+   */
+  function getClientRect(offsets) {
+    return _extends({}, offsets, {
+      right: offsets.left + offsets.width,
+      bottom: offsets.top + offsets.height
+    });
+  }
+
+  /**
+   * Get bounding client rect of given element
+   * @method
+   * @memberof Popper.Utils
+   * @param {HTMLElement} element
+   * @return {Object} client rect
+   */
+  function getBoundingClientRect(element) {
+    var rect = {};
+
+    // IE10 10 FIX: Please, don't ask, the element isn't
+    // considered in DOM in some circumstances...
+    // This isn't reproducible in IE10 compatibility mode of IE11
+    try {
+      if (isIE(10)) {
+        rect = element.getBoundingClientRect();
+        var scrollTop = getScroll(element, 'top');
+        var scrollLeft = getScroll(element, 'left');
+        rect.top += scrollTop;
+        rect.left += scrollLeft;
+        rect.bottom += scrollTop;
+        rect.right += scrollLeft;
+      } else {
+        rect = element.getBoundingClientRect();
+      }
+    } catch (e) {}
+
+    var result = {
+      left: rect.left,
+      top: rect.top,
+      width: rect.right - rect.left,
+      height: rect.bottom - rect.top
+    };
+
+    // subtract scrollbar size from sizes
+    var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {};
+    var width = sizes.width || element.clientWidth || result.right - result.left;
+    var height = sizes.height || element.clientHeight || result.bottom - result.top;
+
+    var horizScrollbar = element.offsetWidth - width;
+    var vertScrollbar = element.offsetHeight - height;
+
+    // if an hypothetical scrollbar is detected, we must be sure it's not a `border`
+    // we make this check conditional for performance reasons
+    if (horizScrollbar || vertScrollbar) {
+      var styles = getStyleComputedProperty(element);
+      horizScrollbar -= getBordersSize(styles, 'x');
+      vertScrollbar -= getBordersSize(styles, 'y');
+
+      result.width -= horizScrollbar;
+      result.height -= vertScrollbar;
+    }
+
+    return getClientRect(result);
+  }
+
+  function getOffsetRectRelativeToArbitraryNode(children, parent) {
+    var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    var isIE10 = isIE(10);
+    var isHTML = parent.nodeName === 'HTML';
+    var childrenRect = getBoundingClientRect(children);
+    var parentRect = getBoundingClientRect(parent);
+    var scrollParent = getScrollParent(children);
+
+    var styles = getStyleComputedProperty(parent);
+    var borderTopWidth = parseFloat(styles.borderTopWidth, 10);
+    var borderLeftWidth = parseFloat(styles.borderLeftWidth, 10);
+
+    // In cases where the parent is fixed, we must ignore negative scroll in offset calc
+    if (fixedPosition && parent.nodeName === 'HTML') {
+      parentRect.top = Math.max(parentRect.top, 0);
+      parentRect.left = Math.max(parentRect.left, 0);
+    }
+    var offsets = getClientRect({
+      top: childrenRect.top - parentRect.top - borderTopWidth,
+      left: childrenRect.left - parentRect.left - borderLeftWidth,
+      width: childrenRect.width,
+      height: childrenRect.height
+    });
+    offsets.marginTop = 0;
+    offsets.marginLeft = 0;
+
+    // Subtract margins of documentElement in case it's being used as parent
+    // we do this only on HTML because it's the only element that behaves
+    // differently when margins are applied to it. The margins are included in
+    // the box of the documentElement, in the other cases not.
+    if (!isIE10 && isHTML) {
+      var marginTop = parseFloat(styles.marginTop, 10);
+      var marginLeft = parseFloat(styles.marginLeft, 10);
+
+      offsets.top -= borderTopWidth - marginTop;
+      offsets.bottom -= borderTopWidth - marginTop;
+      offsets.left -= borderLeftWidth - marginLeft;
+      offsets.right -= borderLeftWidth - marginLeft;
+
+      // Attach marginTop and marginLeft because in some circumstances we may need them
+      offsets.marginTop = marginTop;
+      offsets.marginLeft = marginLeft;
+    }
+
+    if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {
+      offsets = includeScroll(offsets, parent);
+    }
+
+    return offsets;
+  }
+
+  function getViewportOffsetRectRelativeToArtbitraryNode(element) {
+    var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+    var html = element.ownerDocument.documentElement;
+    var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);
+    var width = Math.max(html.clientWidth, window.innerWidth || 0);
+    var height = Math.max(html.clientHeight, window.innerHeight || 0);
+
+    var scrollTop = !excludeScroll ? getScroll(html) : 0;
+    var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0;
+
+    var offset = {
+      top: scrollTop - relativeOffset.top + relativeOffset.marginTop,
+      left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,
+      width: width,
+      height: height
+    };
+
+    return getClientRect(offset);
+  }
+
+  /**
+   * Check if the given element is fixed or is inside a fixed parent
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element
+   * @argument {Element} customContainer
+   * @returns {Boolean} answer to "isFixed?"
+   */
+  function isFixed(element) {
+    var nodeName = element.nodeName;
+    if (nodeName === 'BODY' || nodeName === 'HTML') {
+      return false;
+    }
+    if (getStyleComputedProperty(element, 'position') === 'fixed') {
+      return true;
+    }
+    return isFixed(getParentNode(element));
+  }
+
+  /**
+   * Finds the first parent of an element that has a transformed property defined
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element
+   * @returns {Element} first transformed parent or documentElement
+   */
+
+  function getFixedPositionOffsetParent(element) {
+    // This check is needed to avoid errors in case one of the elements isn't defined for any reason
+    if (!element || !element.parentElement || isIE()) {
+      return document.documentElement;
+    }
+    var el = element.parentElement;
+    while (el && getStyleComputedProperty(el, 'transform') === 'none') {
+      el = el.parentElement;
+    }
+    return el || document.documentElement;
+  }
+
+  /**
+   * Computed the boundaries limits and return them
+   * @method
+   * @memberof Popper.Utils
+   * @param {HTMLElement} popper
+   * @param {HTMLElement} reference
+   * @param {number} padding
+   * @param {HTMLElement} boundariesElement - Element used to define the boundaries
+   * @param {Boolean} fixedPosition - Is in fixed position mode
+   * @returns {Object} Coordinates of the boundaries
+   */
+  function getBoundaries(popper, reference, padding, boundariesElement) {
+    var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
+
+    // NOTE: 1 DOM access here
+
+    var boundaries = { top: 0, left: 0 };
+    var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);
+
+    // Handle viewport case
+    if (boundariesElement === 'viewport') {
+      boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition);
+    } else {
+      // Handle other cases based on DOM element used as boundaries
+      var boundariesNode = void 0;
+      if (boundariesElement === 'scrollParent') {
+        boundariesNode = getScrollParent(getParentNode(reference));
+        if (boundariesNode.nodeName === 'BODY') {
+          boundariesNode = popper.ownerDocument.documentElement;
+        }
+      } else if (boundariesElement === 'window') {
+        boundariesNode = popper.ownerDocument.documentElement;
+      } else {
+        boundariesNode = boundariesElement;
+      }
+
+      var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition);
+
+      // In case of HTML, we need a different computation
+      if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {
+        var _getWindowSizes = getWindowSizes(),
+            height = _getWindowSizes.height,
+            width = _getWindowSizes.width;
+
+        boundaries.top += offsets.top - offsets.marginTop;
+        boundaries.bottom = height + offsets.top;
+        boundaries.left += offsets.left - offsets.marginLeft;
+        boundaries.right = width + offsets.left;
+      } else {
+        // for all the other DOM elements, this one is good
+        boundaries = offsets;
+      }
+    }
+
+    // Add paddings
+    boundaries.left += padding;
+    boundaries.top += padding;
+    boundaries.right -= padding;
+    boundaries.bottom -= padding;
+
+    return boundaries;
+  }
+
+  function getArea(_ref) {
+    var width = _ref.width,
+        height = _ref.height;
+
+    return width * height;
+  }
+
+  /**
+   * Utility used to transform the `auto` placement to the placement with more
+   * available space.
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Object} data - The data object generated by update method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {
+    var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;
+
+    if (placement.indexOf('auto') === -1) {
+      return placement;
+    }
+
+    var boundaries = getBoundaries(popper, reference, padding, boundariesElement);
+
+    var rects = {
+      top: {
+        width: boundaries.width,
+        height: refRect.top - boundaries.top
+      },
+      right: {
+        width: boundaries.right - refRect.right,
+        height: boundaries.height
+      },
+      bottom: {
+        width: boundaries.width,
+        height: boundaries.bottom - refRect.bottom
+      },
+      left: {
+        width: refRect.left - boundaries.left,
+        height: boundaries.height
+      }
+    };
+
+    var sortedAreas = Object.keys(rects).map(function (key) {
+      return _extends({
+        key: key
+      }, rects[key], {
+        area: getArea(rects[key])
+      });
+    }).sort(function (a, b) {
+      return b.area - a.area;
+    });
+
+    var filteredAreas = sortedAreas.filter(function (_ref2) {
+      var width = _ref2.width,
+          height = _ref2.height;
+      return width >= popper.clientWidth && height >= popper.clientHeight;
+    });
+
+    var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;
+
+    var variation = placement.split('-')[1];
+
+    return computedPlacement + (variation ? '-' + variation : '');
+  }
+
+  /**
+   * Get offsets to the reference element
+   * @method
+   * @memberof Popper.Utils
+   * @param {Object} state
+   * @param {Element} popper - the popper element
+   * @param {Element} reference - the reference element (the popper will be relative to this)
+   * @param {Element} fixedPosition - is in fixed position mode
+   * @returns {Object} An object containing the offsets which will be applied to the popper
+   */
+  function getReferenceOffsets(state, popper, reference) {
+    var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
+
+    var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);
+    return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition);
+  }
+
+  /**
+   * Get the outer sizes of the given element (offset size + margins)
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element
+   * @returns {Object} object containing width and height properties
+   */
+  function getOuterSizes(element) {
+    var styles = getComputedStyle(element);
+    var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);
+    var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);
+    var result = {
+      width: element.offsetWidth + y,
+      height: element.offsetHeight + x
+    };
+    return result;
+  }
+
+  /**
+   * Get the opposite placement of the given one
+   * @method
+   * @memberof Popper.Utils
+   * @argument {String} placement
+   * @returns {String} flipped placement
+   */
+  function getOppositePlacement(placement) {
+    var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };
+    return placement.replace(/left|right|bottom|top/g, function (matched) {
+      return hash[matched];
+    });
+  }
+
+  /**
+   * Get offsets to the popper
+   * @method
+   * @memberof Popper.Utils
+   * @param {Object} position - CSS position the Popper will get applied
+   * @param {HTMLElement} popper - the popper element
+   * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)
+   * @param {String} placement - one of the valid placement options
+   * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper
+   */
+  function getPopperOffsets(popper, referenceOffsets, placement) {
+    placement = placement.split('-')[0];
+
+    // Get popper node sizes
+    var popperRect = getOuterSizes(popper);
+
+    // Add position, width and height to our offsets object
+    var popperOffsets = {
+      width: popperRect.width,
+      height: popperRect.height
+    };
+
+    // depending by the popper placement we have to compute its offsets slightly differently
+    var isHoriz = ['right', 'left'].indexOf(placement) !== -1;
+    var mainSide = isHoriz ? 'top' : 'left';
+    var secondarySide = isHoriz ? 'left' : 'top';
+    var measurement = isHoriz ? 'height' : 'width';
+    var secondaryMeasurement = !isHoriz ? 'height' : 'width';
+
+    popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;
+    if (placement === secondarySide) {
+      popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];
+    } else {
+      popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];
+    }
+
+    return popperOffsets;
+  }
+
+  /**
+   * Mimics the `find` method of Array
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Array} arr
+   * @argument prop
+   * @argument value
+   * @returns index or -1
+   */
+  function find(arr, check) {
+    // use native find if supported
+    if (Array.prototype.find) {
+      return arr.find(check);
+    }
+
+    // use `filter` to obtain the same behavior of `find`
+    return arr.filter(check)[0];
+  }
+
+  /**
+   * Return the index of the matching object
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Array} arr
+   * @argument prop
+   * @argument value
+   * @returns index or -1
+   */
+  function findIndex(arr, prop, value) {
+    // use native findIndex if supported
+    if (Array.prototype.findIndex) {
+      return arr.findIndex(function (cur) {
+        return cur[prop] === value;
+      });
+    }
+
+    // use `find` + `indexOf` if `findIndex` isn't supported
+    var match = find(arr, function (obj) {
+      return obj[prop] === value;
+    });
+    return arr.indexOf(match);
+  }
+
+  /**
+   * Loop trough the list of modifiers and run them in order,
+   * each of them will then edit the data object.
+   * @method
+   * @memberof Popper.Utils
+   * @param {dataObject} data
+   * @param {Array} modifiers
+   * @param {String} ends - Optional modifier name used as stopper
+   * @returns {dataObject}
+   */
+  function runModifiers(modifiers, data, ends) {
+    var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));
+
+    modifiersToRun.forEach(function (modifier) {
+      if (modifier['function']) {
+        // eslint-disable-line dot-notation
+        console.warn('`modifier.function` is deprecated, use `modifier.fn`!');
+      }
+      var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation
+      if (modifier.enabled && isFunction(fn)) {
+        // Add properties to offsets to make them a complete clientRect object
+        // we do this before each modifier to make sure the previous one doesn't
+        // mess with these values
+        data.offsets.popper = getClientRect(data.offsets.popper);
+        data.offsets.reference = getClientRect(data.offsets.reference);
+
+        data = fn(data, modifier);
+      }
+    });
+
+    return data;
+  }
+
+  /**
+   * Updates the position of the popper, computing the new offsets and applying
+   * the new style.<br />
+   * Prefer `scheduleUpdate` over `update` because of performance reasons.
+   * @method
+   * @memberof Popper
+   */
+  function update() {
+    // if popper is destroyed, don't perform any further update
+    if (this.state.isDestroyed) {
+      return;
+    }
+
+    var data = {
+      instance: this,
+      styles: {},
+      arrowStyles: {},
+      attributes: {},
+      flipped: false,
+      offsets: {}
+    };
+
+    // compute reference element offsets
+    data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed);
+
+    // compute auto placement, store placement inside the data object,
+    // modifiers will be able to edit `placement` if needed
+    // and refer to originalPlacement to know the original value
+    data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);
+
+    // store the computed placement inside `originalPlacement`
+    data.originalPlacement = data.placement;
+
+    data.positionFixed = this.options.positionFixed;
+
+    // compute the popper offsets
+    data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);
+
+    data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute';
+
+    // run the modifiers
+    data = runModifiers(this.modifiers, data);
+
+    // the first `update` will call `onCreate` callback
+    // the other ones will call `onUpdate` callback
+    if (!this.state.isCreated) {
+      this.state.isCreated = true;
+      this.options.onCreate(data);
+    } else {
+      this.options.onUpdate(data);
+    }
+  }
+
+  /**
+   * Helper used to know if the given modifier is enabled.
+   * @method
+   * @memberof Popper.Utils
+   * @returns {Boolean}
+   */
+  function isModifierEnabled(modifiers, modifierName) {
+    return modifiers.some(function (_ref) {
+      var name = _ref.name,
+          enabled = _ref.enabled;
+      return enabled && name === modifierName;
+    });
+  }
+
+  /**
+   * Get the prefixed supported property name
+   * @method
+   * @memberof Popper.Utils
+   * @argument {String} property (camelCase)
+   * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)
+   */
+  function getSupportedPropertyName(property) {
+    var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];
+    var upperProp = property.charAt(0).toUpperCase() + property.slice(1);
+
+    for (var i = 0; i < prefixes.length; i++) {
+      var prefix = prefixes[i];
+      var toCheck = prefix ? '' + prefix + upperProp : property;
+      if (typeof document.body.style[toCheck] !== 'undefined') {
+        return toCheck;
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Destroy the popper
+   * @method
+   * @memberof Popper
+   */
+  function destroy() {
+    this.state.isDestroyed = true;
+
+    // touch DOM only if `applyStyle` modifier is enabled
+    if (isModifierEnabled(this.modifiers, 'applyStyle')) {
+      this.popper.removeAttribute('x-placement');
+      this.popper.style.position = '';
+      this.popper.style.top = '';
+      this.popper.style.left = '';
+      this.popper.style.right = '';
+      this.popper.style.bottom = '';
+      this.popper.style.willChange = '';
+      this.popper.style[getSupportedPropertyName('transform')] = '';
+    }
+
+    this.disableEventListeners();
+
+    // remove the popper if user explicity asked for the deletion on destroy
+    // do not use `remove` because IE11 doesn't support it
+    if (this.options.removeOnDestroy) {
+      this.popper.parentNode.removeChild(this.popper);
+    }
+    return this;
+  }
+
+  /**
+   * Get the window associated with the element
+   * @argument {Element} element
+   * @returns {Window}
+   */
+  function getWindow(element) {
+    var ownerDocument = element.ownerDocument;
+    return ownerDocument ? ownerDocument.defaultView : window;
+  }
+
+  function attachToScrollParents(scrollParent, event, callback, scrollParents) {
+    var isBody = scrollParent.nodeName === 'BODY';
+    var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;
+    target.addEventListener(event, callback, { passive: true });
+
+    if (!isBody) {
+      attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);
+    }
+    scrollParents.push(target);
+  }
+
+  /**
+   * Setup needed event listeners used to update the popper position
+   * @method
+   * @memberof Popper.Utils
+   * @private
+   */
+  function setupEventListeners(reference, options, state, updateBound) {
+    // Resize event listener on window
+    state.updateBound = updateBound;
+    getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });
+
+    // Scroll event listener on scroll parents
+    var scrollElement = getScrollParent(reference);
+    attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);
+    state.scrollElement = scrollElement;
+    state.eventsEnabled = true;
+
+    return state;
+  }
+
+  /**
+   * It will add resize/scroll events and start recalculating
+   * position of the popper element when they are triggered.
+   * @method
+   * @memberof Popper
+   */
+  function enableEventListeners() {
+    if (!this.state.eventsEnabled) {
+      this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);
+    }
+  }
+
+  /**
+   * Remove event listeners used to update the popper position
+   * @method
+   * @memberof Popper.Utils
+   * @private
+   */
+  function removeEventListeners(reference, state) {
+    // Remove resize event listener on window
+    getWindow(reference).removeEventListener('resize', state.updateBound);
+
+    // Remove scroll event listener on scroll parents
+    state.scrollParents.forEach(function (target) {
+      target.removeEventListener('scroll', state.updateBound);
+    });
+
+    // Reset state
+    state.updateBound = null;
+    state.scrollParents = [];
+    state.scrollElement = null;
+    state.eventsEnabled = false;
+    return state;
+  }
+
+  /**
+   * It will remove resize/scroll events and won't recalculate popper position
+   * when they are triggered. It also won't trigger onUpdate callback anymore,
+   * unless you call `update` method manually.
+   * @method
+   * @memberof Popper
+   */
+  function disableEventListeners() {
+    if (this.state.eventsEnabled) {
+      cancelAnimationFrame(this.scheduleUpdate);
+      this.state = removeEventListeners(this.reference, this.state);
+    }
+  }
+
+  /**
+   * Tells if a given input is a number
+   * @method
+   * @memberof Popper.Utils
+   * @param {*} input to check
+   * @return {Boolean}
+   */
+  function isNumeric(n) {
+    return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);
+  }
+
+  /**
+   * Set the style to the given popper
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element - Element to apply the style to
+   * @argument {Object} styles
+   * Object with a list of properties and values which will be applied to the element
+   */
+  function setStyles(element, styles) {
+    Object.keys(styles).forEach(function (prop) {
+      var unit = '';
+      // add unit if the value is numeric and is one of the following
+      if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {
+        unit = 'px';
+      }
+      element.style[prop] = styles[prop] + unit;
+    });
+  }
+
+  /**
+   * Set the attributes to the given popper
+   * @method
+   * @memberof Popper.Utils
+   * @argument {Element} element - Element to apply the attributes to
+   * @argument {Object} styles
+   * Object with a list of properties and values which will be applied to the element
+   */
+  function setAttributes(element, attributes) {
+    Object.keys(attributes).forEach(function (prop) {
+      var value = attributes[prop];
+      if (value !== false) {
+        element.setAttribute(prop, attributes[prop]);
+      } else {
+        element.removeAttribute(prop);
+      }
+    });
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by `update` method
+   * @argument {Object} data.styles - List of style properties - values to apply to popper element
+   * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The same data object
+   */
+  function applyStyle(data) {
+    // any property present in `data.styles` will be applied to the popper,
+    // in this way we can make the 3rd party modifiers add custom styles to it
+    // Be aware, modifiers could override the properties defined in the previous
+    // lines of this modifier!
+    setStyles(data.instance.popper, data.styles);
+
+    // any property present in `data.attributes` will be applied to the popper,
+    // they will be set as HTML attributes of the element
+    setAttributes(data.instance.popper, data.attributes);
+
+    // if arrowElement is defined and arrowStyles has some properties
+    if (data.arrowElement && Object.keys(data.arrowStyles).length) {
+      setStyles(data.arrowElement, data.arrowStyles);
+    }
+
+    return data;
+  }
+
+  /**
+   * Set the x-placement attribute before everything else because it could be used
+   * to add margins to the popper margins needs to be calculated to get the
+   * correct popper offsets.
+   * @method
+   * @memberof Popper.modifiers
+   * @param {HTMLElement} reference - The reference element used to position the popper
+   * @param {HTMLElement} popper - The HTML element used as popper
+   * @param {Object} options - Popper.js options
+   */
+  function applyStyleOnLoad(reference, popper, options, modifierOptions, state) {
+    // compute reference element offsets
+    var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed);
+
+    // compute auto placement, store placement inside the data object,
+    // modifiers will be able to edit `placement` if needed
+    // and refer to originalPlacement to know the original value
+    var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);
+
+    popper.setAttribute('x-placement', placement);
+
+    // Apply `position` to popper before anything else because
+    // without the position applied we can't guarantee correct computations
+    setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' });
+
+    return options;
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by `update` method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function computeStyle(data, options) {
+    var x = options.x,
+        y = options.y;
+    var popper = data.offsets.popper;
+
+    // Remove this legacy support in Popper.js v2
+
+    var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {
+      return modifier.name === 'applyStyle';
+    }).gpuAcceleration;
+    if (legacyGpuAccelerationOption !== undefined) {
+      console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');
+    }
+    var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;
+
+    var offsetParent = getOffsetParent(data.instance.popper);
+    var offsetParentRect = getBoundingClientRect(offsetParent);
+
+    // Styles
+    var styles = {
+      position: popper.position
+    };
+
+    // Avoid blurry text by using full pixel integers.
+    // For pixel-perfect positioning, top/bottom prefers rounded
+    // values, while left/right prefers floored values.
+    var offsets = {
+      left: Math.floor(popper.left),
+      top: Math.round(popper.top),
+      bottom: Math.round(popper.bottom),
+      right: Math.floor(popper.right)
+    };
+
+    var sideA = x === 'bottom' ? 'top' : 'bottom';
+    var sideB = y === 'right' ? 'left' : 'right';
+
+    // if gpuAcceleration is set to `true` and transform is supported,
+    //  we use `translate3d` to apply the position to the popper we
+    // automatically use the supported prefixed version if needed
+    var prefixedProperty = getSupportedPropertyName('transform');
+
+    // now, let's make a step back and look at this code closely (wtf?)
+    // If the content of the popper grows once it's been positioned, it
+    // may happen that the popper gets misplaced because of the new content
+    // overflowing its reference element
+    // To avoid this problem, we provide two options (x and y), which allow
+    // the consumer to define the offset origin.
+    // If we position a popper on top of a reference element, we can set
+    // `x` to `top` to make the popper grow towards its top instead of
+    // its bottom.
+    var left = void 0,
+        top = void 0;
+    if (sideA === 'bottom') {
+      top = -offsetParentRect.height + offsets.bottom;
+    } else {
+      top = offsets.top;
+    }
+    if (sideB === 'right') {
+      left = -offsetParentRect.width + offsets.right;
+    } else {
+      left = offsets.left;
+    }
+    if (gpuAcceleration && prefixedProperty) {
+      styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';
+      styles[sideA] = 0;
+      styles[sideB] = 0;
+      styles.willChange = 'transform';
+    } else {
+      // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties
+      var invertTop = sideA === 'bottom' ? -1 : 1;
+      var invertLeft = sideB === 'right' ? -1 : 1;
+      styles[sideA] = top * invertTop;
+      styles[sideB] = left * invertLeft;
+      styles.willChange = sideA + ', ' + sideB;
+    }
+
+    // Attributes
+    var attributes = {
+      'x-placement': data.placement
+    };
+
+    // Update `data` attributes, styles and arrowStyles
+    data.attributes = _extends({}, attributes, data.attributes);
+    data.styles = _extends({}, styles, data.styles);
+    data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);
+
+    return data;
+  }
+
+  /**
+   * Helper used to know if the given modifier depends from another one.<br />
+   * It checks if the needed modifier is listed and enabled.
+   * @method
+   * @memberof Popper.Utils
+   * @param {Array} modifiers - list of modifiers
+   * @param {String} requestingName - name of requesting modifier
+   * @param {String} requestedName - name of requested modifier
+   * @returns {Boolean}
+   */
+  function isModifierRequired(modifiers, requestingName, requestedName) {
+    var requesting = find(modifiers, function (_ref) {
+      var name = _ref.name;
+      return name === requestingName;
+    });
+
+    var isRequired = !!requesting && modifiers.some(function (modifier) {
+      return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;
+    });
+
+    if (!isRequired) {
+      var _requesting = '`' + requestingName + '`';
+      var requested = '`' + requestedName + '`';
+      console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');
+    }
+    return isRequired;
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by update method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function arrow(data, options) {
+    var _data$offsets$arrow;
+
+    // arrow depends on keepTogether in order to work
+    if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {
+      return data;
+    }
+
+    var arrowElement = options.element;
+
+    // if arrowElement is a string, suppose it's a CSS selector
+    if (typeof arrowElement === 'string') {
+      arrowElement = data.instance.popper.querySelector(arrowElement);
+
+      // if arrowElement is not found, don't run the modifier
+      if (!arrowElement) {
+        return data;
+      }
+    } else {
+      // if the arrowElement isn't a query selector we must check that the
+      // provided DOM node is child of its popper node
+      if (!data.instance.popper.contains(arrowElement)) {
+        console.warn('WARNING: `arrow.element` must be child of its popper element!');
+        return data;
+      }
+    }
+
+    var placement = data.placement.split('-')[0];
+    var _data$offsets = data.offsets,
+        popper = _data$offsets.popper,
+        reference = _data$offsets.reference;
+
+    var isVertical = ['left', 'right'].indexOf(placement) !== -1;
+
+    var len = isVertical ? 'height' : 'width';
+    var sideCapitalized = isVertical ? 'Top' : 'Left';
+    var side = sideCapitalized.toLowerCase();
+    var altSide = isVertical ? 'left' : 'top';
+    var opSide = isVertical ? 'bottom' : 'right';
+    var arrowElementSize = getOuterSizes(arrowElement)[len];
+
+    //
+    // extends keepTogether behavior making sure the popper and its
+    // reference have enough pixels in conjuction
+    //
+
+    // top/left side
+    if (reference[opSide] - arrowElementSize < popper[side]) {
+      data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);
+    }
+    // bottom/right side
+    if (reference[side] + arrowElementSize > popper[opSide]) {
+      data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];
+    }
+    data.offsets.popper = getClientRect(data.offsets.popper);
+
+    // compute center of the popper
+    var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;
+
+    // Compute the sideValue using the updated popper offsets
+    // take popper margin in account because we don't have this info available
+    var css = getStyleComputedProperty(data.instance.popper);
+    var popperMarginSide = parseFloat(css['margin' + sideCapitalized], 10);
+    var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width'], 10);
+    var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide;
+
+    // prevent arrowElement from being placed not contiguously to its popper
+    sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);
+
+    data.arrowElement = arrowElement;
+    data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow);
+
+    return data;
+  }
+
+  /**
+   * Get the opposite placement variation of the given one
+   * @method
+   * @memberof Popper.Utils
+   * @argument {String} placement variation
+   * @returns {String} flipped placement variation
+   */
+  function getOppositeVariation(variation) {
+    if (variation === 'end') {
+      return 'start';
+    } else if (variation === 'start') {
+      return 'end';
+    }
+    return variation;
+  }
+
+  /**
+   * List of accepted placements to use as values of the `placement` option.<br />
+   * Valid placements are:
+   * - `auto`
+   * - `top`
+   * - `right`
+   * - `bottom`
+   * - `left`
+   *
+   * Each placement can have a variation from this list:
+   * - `-start`
+   * - `-end`
+   *
+   * Variations are interpreted easily if you think of them as the left to right
+   * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`
+   * is right.<br />
+   * Vertically (`left` and `right`), `start` is top and `end` is bottom.
+   *
+   * Some valid examples are:
+   * - `top-end` (on top of reference, right aligned)
+   * - `right-start` (on right of reference, top aligned)
+   * - `bottom` (on bottom, centered)
+   * - `auto-right` (on the side with more space available, alignment depends by placement)
+   *
+   * @static
+   * @type {Array}
+   * @enum {String}
+   * @readonly
+   * @method placements
+   * @memberof Popper
+   */
+  var placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];
+
+  // Get rid of `auto` `auto-start` and `auto-end`
+  var validPlacements = placements.slice(3);
+
+  /**
+   * Given an initial placement, returns all the subsequent placements
+   * clockwise (or counter-clockwise).
+   *
+   * @method
+   * @memberof Popper.Utils
+   * @argument {String} placement - A valid placement (it accepts variations)
+   * @argument {Boolean} counter - Set to true to walk the placements counterclockwise
+   * @returns {Array} placements including their variations
+   */
+  function clockwise(placement) {
+    var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+    var index = validPlacements.indexOf(placement);
+    var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));
+    return counter ? arr.reverse() : arr;
+  }
+
+  var BEHAVIORS = {
+    FLIP: 'flip',
+    CLOCKWISE: 'clockwise',
+    COUNTERCLOCKWISE: 'counterclockwise'
+  };
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by update method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function flip(data, options) {
+    // if `inner` modifier is enabled, we can't use the `flip` modifier
+    if (isModifierEnabled(data.instance.modifiers, 'inner')) {
+      return data;
+    }
+
+    if (data.flipped && data.placement === data.originalPlacement) {
+      // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides
+      return data;
+    }
+
+    var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement, data.positionFixed);
+
+    var placement = data.placement.split('-')[0];
+    var placementOpposite = getOppositePlacement(placement);
+    var variation = data.placement.split('-')[1] || '';
+
+    var flipOrder = [];
+
+    switch (options.behavior) {
+      case BEHAVIORS.FLIP:
+        flipOrder = [placement, placementOpposite];
+        break;
+      case BEHAVIORS.CLOCKWISE:
+        flipOrder = clockwise(placement);
+        break;
+      case BEHAVIORS.COUNTERCLOCKWISE:
+        flipOrder = clockwise(placement, true);
+        break;
+      default:
+        flipOrder = options.behavior;
+    }
+
+    flipOrder.forEach(function (step, index) {
+      if (placement !== step || flipOrder.length === index + 1) {
+        return data;
+      }
+
+      placement = data.placement.split('-')[0];
+      placementOpposite = getOppositePlacement(placement);
+
+      var popperOffsets = data.offsets.popper;
+      var refOffsets = data.offsets.reference;
+
+      // using floor because the reference offsets may contain decimals we are not going to consider here
+      var floor = Math.floor;
+      var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);
+
+      var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);
+      var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);
+      var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);
+      var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);
+
+      var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;
+
+      // flip the variation if required
+      var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
+      var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);
+
+      if (overlapsRef || overflowsBoundaries || flippedVariation) {
+        // this boolean to detect any flip loop
+        data.flipped = true;
+
+        if (overlapsRef || overflowsBoundaries) {
+          placement = flipOrder[index + 1];
+        }
+
+        if (flippedVariation) {
+          variation = getOppositeVariation(variation);
+        }
+
+        data.placement = placement + (variation ? '-' + variation : '');
+
+        // this object contains `position`, we want to preserve it along with
+        // any additional property we may add in the future
+        data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));
+
+        data = runModifiers(data.instance.modifiers, data, 'flip');
+      }
+    });
+    return data;
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by update method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function keepTogether(data) {
+    var _data$offsets = data.offsets,
+        popper = _data$offsets.popper,
+        reference = _data$offsets.reference;
+
+    var placement = data.placement.split('-')[0];
+    var floor = Math.floor;
+    var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
+    var side = isVertical ? 'right' : 'bottom';
+    var opSide = isVertical ? 'left' : 'top';
+    var measurement = isVertical ? 'width' : 'height';
+
+    if (popper[side] < floor(reference[opSide])) {
+      data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];
+    }
+    if (popper[opSide] > floor(reference[side])) {
+      data.offsets.popper[opSide] = floor(reference[side]);
+    }
+
+    return data;
+  }
+
+  /**
+   * Converts a string containing value + unit into a px value number
+   * @function
+   * @memberof {modifiers~offset}
+   * @private
+   * @argument {String} str - Value + unit string
+   * @argument {String} measurement - `height` or `width`
+   * @argument {Object} popperOffsets
+   * @argument {Object} referenceOffsets
+   * @returns {Number|String}
+   * Value in pixels, or original string if no values were extracted
+   */
+  function toValue(str, measurement, popperOffsets, referenceOffsets) {
+    // separate value from unit
+    var split = str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/);
+    var value = +split[1];
+    var unit = split[2];
+
+    // If it's not a number it's an operator, I guess
+    if (!value) {
+      return str;
+    }
+
+    if (unit.indexOf('%') === 0) {
+      var element = void 0;
+      switch (unit) {
+        case '%p':
+          element = popperOffsets;
+          break;
+        case '%':
+        case '%r':
+        default:
+          element = referenceOffsets;
+      }
+
+      var rect = getClientRect(element);
+      return rect[measurement] / 100 * value;
+    } else if (unit === 'vh' || unit === 'vw') {
+      // if is a vh or vw, we calculate the size based on the viewport
+      var size = void 0;
+      if (unit === 'vh') {
+        size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
+      } else {
+        size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
+      }
+      return size / 100 * value;
+    } else {
+      // if is an explicit pixel unit, we get rid of the unit and keep the value
+      // if is an implicit unit, it's px, and we return just the value
+      return value;
+    }
+  }
+
+  /**
+   * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.
+   * @function
+   * @memberof {modifiers~offset}
+   * @private
+   * @argument {String} offset
+   * @argument {Object} popperOffsets
+   * @argument {Object} referenceOffsets
+   * @argument {String} basePlacement
+   * @returns {Array} a two cells array with x and y offsets in numbers
+   */
+  function parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {
+    var offsets = [0, 0];
+
+    // Use height if placement is left or right and index is 0 otherwise use width
+    // in this way the first offset will use an axis and the second one
+    // will use the other one
+    var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;
+
+    // Split the offset string to obtain a list of values and operands
+    // The regex addresses values with the plus or minus sign in front (+10, -20, etc)
+    var fragments = offset.split(/(\+|\-)/).map(function (frag) {
+      return frag.trim();
+    });
+
+    // Detect if the offset string contains a pair of values or a single one
+    // they could be separated by comma or space
+    var divider = fragments.indexOf(find(fragments, function (frag) {
+      return frag.search(/,|\s/) !== -1;
+    }));
+
+    if (fragments[divider] && fragments[divider].indexOf(',') === -1) {
+      console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');
+    }
+
+    // If divider is found, we divide the list of values and operands to divide
+    // them by ofset X and Y.
+    var splitRegex = /\s*,\s*|\s+/;
+    var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];
+
+    // Convert the values with units to absolute pixels to allow our computations
+    ops = ops.map(function (op, index) {
+      // Most of the units rely on the orientation of the popper
+      var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';
+      var mergeWithPrevious = false;
+      return op
+      // This aggregates any `+` or `-` sign that aren't considered operators
+      // e.g.: 10 + +5 => [10, +, +5]
+      .reduce(function (a, b) {
+        if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {
+          a[a.length - 1] = b;
+          mergeWithPrevious = true;
+          return a;
+        } else if (mergeWithPrevious) {
+          a[a.length - 1] += b;
+          mergeWithPrevious = false;
+          return a;
+        } else {
+          return a.concat(b);
+        }
+      }, [])
+      // Here we convert the string values into number values (in px)
+      .map(function (str) {
+        return toValue(str, measurement, popperOffsets, referenceOffsets);
+      });
+    });
+
+    // Loop trough the offsets arrays and execute the operations
+    ops.forEach(function (op, index) {
+      op.forEach(function (frag, index2) {
+        if (isNumeric(frag)) {
+          offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);
+        }
+      });
+    });
+    return offsets;
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by update method
+   * @argument {Object} options - Modifiers configuration and options
+   * @argument {Number|String} options.offset=0
+   * The offset value as described in the modifier description
+   * @returns {Object} The data object, properly modified
+   */
+  function offset(data, _ref) {
+    var offset = _ref.offset;
+    var placement = data.placement,
+        _data$offsets = data.offsets,
+        popper = _data$offsets.popper,
+        reference = _data$offsets.reference;
+
+    var basePlacement = placement.split('-')[0];
+
+    var offsets = void 0;
+    if (isNumeric(+offset)) {
+      offsets = [+offset, 0];
+    } else {
+      offsets = parseOffset(offset, popper, reference, basePlacement);
+    }
+
+    if (basePlacement === 'left') {
+      popper.top += offsets[0];
+      popper.left -= offsets[1];
+    } else if (basePlacement === 'right') {
+      popper.top += offsets[0];
+      popper.left += offsets[1];
+    } else if (basePlacement === 'top') {
+      popper.left += offsets[0];
+      popper.top -= offsets[1];
+    } else if (basePlacement === 'bottom') {
+      popper.left += offsets[0];
+      popper.top += offsets[1];
+    }
+
+    data.popper = popper;
+    return data;
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by `update` method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function preventOverflow(data, options) {
+    var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);
+
+    // If offsetParent is the reference element, we really want to
+    // go one step up and use the next offsetParent as reference to
+    // avoid to make this modifier completely useless and look like broken
+    if (data.instance.reference === boundariesElement) {
+      boundariesElement = getOffsetParent(boundariesElement);
+    }
+
+    // NOTE: DOM access here
+    // resets the popper's position so that the document size can be calculated excluding
+    // the size of the popper element itself
+    var transformProp = getSupportedPropertyName('transform');
+    var popperStyles = data.instance.popper.style; // assignment to help minification
+    var top = popperStyles.top,
+        left = popperStyles.left,
+        transform = popperStyles[transformProp];
+
+    popperStyles.top = '';
+    popperStyles.left = '';
+    popperStyles[transformProp] = '';
+
+    var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement, data.positionFixed);
+
+    // NOTE: DOM access here
+    // restores the original style properties after the offsets have been computed
+    popperStyles.top = top;
+    popperStyles.left = left;
+    popperStyles[transformProp] = transform;
+
+    options.boundaries = boundaries;
+
+    var order = options.priority;
+    var popper = data.offsets.popper;
+
+    var check = {
+      primary: function primary(placement) {
+        var value = popper[placement];
+        if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {
+          value = Math.max(popper[placement], boundaries[placement]);
+        }
+        return defineProperty({}, placement, value);
+      },
+      secondary: function secondary(placement) {
+        var mainSide = placement === 'right' ? 'left' : 'top';
+        var value = popper[mainSide];
+        if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {
+          value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));
+        }
+        return defineProperty({}, mainSide, value);
+      }
+    };
+
+    order.forEach(function (placement) {
+      var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';
+      popper = _extends({}, popper, check[side](placement));
+    });
+
+    data.offsets.popper = popper;
+
+    return data;
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by `update` method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function shift(data) {
+    var placement = data.placement;
+    var basePlacement = placement.split('-')[0];
+    var shiftvariation = placement.split('-')[1];
+
+    // if shift shiftvariation is specified, run the modifier
+    if (shiftvariation) {
+      var _data$offsets = data.offsets,
+          reference = _data$offsets.reference,
+          popper = _data$offsets.popper;
+
+      var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;
+      var side = isVertical ? 'left' : 'top';
+      var measurement = isVertical ? 'width' : 'height';
+
+      var shiftOffsets = {
+        start: defineProperty({}, side, reference[side]),
+        end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])
+      };
+
+      data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);
+    }
+
+    return data;
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by update method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function hide(data) {
+    if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {
+      return data;
+    }
+
+    var refRect = data.offsets.reference;
+    var bound = find(data.instance.modifiers, function (modifier) {
+      return modifier.name === 'preventOverflow';
+    }).boundaries;
+
+    if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {
+      // Avoid unnecessary DOM access if visibility hasn't changed
+      if (data.hide === true) {
+        return data;
+      }
+
+      data.hide = true;
+      data.attributes['x-out-of-boundaries'] = '';
+    } else {
+      // Avoid unnecessary DOM access if visibility hasn't changed
+      if (data.hide === false) {
+        return data;
+      }
+
+      data.hide = false;
+      data.attributes['x-out-of-boundaries'] = false;
+    }
+
+    return data;
+  }
+
+  /**
+   * @function
+   * @memberof Modifiers
+   * @argument {Object} data - The data object generated by `update` method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {Object} The data object, properly modified
+   */
+  function inner(data) {
+    var placement = data.placement;
+    var basePlacement = placement.split('-')[0];
+    var _data$offsets = data.offsets,
+        popper = _data$offsets.popper,
+        reference = _data$offsets.reference;
+
+    var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;
+
+    var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;
+
+    popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);
+
+    data.placement = getOppositePlacement(placement);
+    data.offsets.popper = getClientRect(popper);
+
+    return data;
+  }
+
+  /**
+   * Modifier function, each modifier can have a function of this type assigned
+   * to its `fn` property.<br />
+   * These functions will be called on each update, this means that you must
+   * make sure they are performant enough to avoid performance bottlenecks.
+   *
+   * @function ModifierFn
+   * @argument {dataObject} data - The data object generated by `update` method
+   * @argument {Object} options - Modifiers configuration and options
+   * @returns {dataObject} The data object, properly modified
+   */
+
+  /**
+   * Modifiers are plugins used to alter the behavior of your poppers.<br />
+   * Popper.js uses a set of 9 modifiers to provide all the basic functionalities
+   * needed by the library.
+   *
+   * Usually you don't want to override the `order`, `fn` and `onLoad` props.
+   * All the other properties are configurations that could be tweaked.
+   * @namespace modifiers
+   */
+  var modifiers = {
+    /**
+     * Modifier used to shift the popper on the start or end of its reference
+     * element.<br />
+     * It will read the variation of the `placement` property.<br />
+     * It can be one either `-end` or `-start`.
+     * @memberof modifiers
+     * @inner
+     */
+    shift: {
+      /** @prop {number} order=100 - Index used to define the order of execution */
+      order: 100,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: shift
+    },
+
+    /**
+     * The `offset` modifier can shift your popper on both its axis.
+     *
+     * It accepts the following units:
+     * - `px` or unitless, interpreted as pixels
+     * - `%` or `%r`, percentage relative to the length of the reference element
+     * - `%p`, percentage relative to the length of the popper element
+     * - `vw`, CSS viewport width unit
+     * - `vh`, CSS viewport height unit
+     *
+     * For length is intended the main axis relative to the placement of the popper.<br />
+     * This means that if the placement is `top` or `bottom`, the length will be the
+     * `width`. In case of `left` or `right`, it will be the height.
+     *
+     * You can provide a single value (as `Number` or `String`), or a pair of values
+     * as `String` divided by a comma or one (or more) white spaces.<br />
+     * The latter is a deprecated method because it leads to confusion and will be
+     * removed in v2.<br />
+     * Additionally, it accepts additions and subtractions between different units.
+     * Note that multiplications and divisions aren't supported.
+     *
+     * Valid examples are:
+     * ```
+     * 10
+     * '10%'
+     * '10, 10'
+     * '10%, 10'
+     * '10 + 10%'
+     * '10 - 5vh + 3%'
+     * '-10px + 5vh, 5px - 6%'
+     * ```
+     * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap
+     * > with their reference element, unfortunately, you will have to disable the `flip` modifier.
+     * > More on this [reading this issue](https://github.com/FezVrasta/popper.js/issues/373)
+     *
+     * @memberof modifiers
+     * @inner
+     */
+    offset: {
+      /** @prop {number} order=200 - Index used to define the order of execution */
+      order: 200,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: offset,
+      /** @prop {Number|String} offset=0
+       * The offset value as described in the modifier description
+       */
+      offset: 0
+    },
+
+    /**
+     * Modifier used to prevent the popper from being positioned outside the boundary.
+     *
+     * An scenario exists where the reference itself is not within the boundaries.<br />
+     * We can say it has "escaped the boundaries" — or just "escaped".<br />
+     * In this case we need to decide whether the popper should either:
+     *
+     * - detach from the reference and remain "trapped" in the boundaries, or
+     * - if it should ignore the boundary and "escape with its reference"
+     *
+     * When `escapeWithReference` is set to`true` and reference is completely
+     * outside its boundaries, the popper will overflow (or completely leave)
+     * the boundaries in order to remain attached to the edge of the reference.
+     *
+     * @memberof modifiers
+     * @inner
+     */
+    preventOverflow: {
+      /** @prop {number} order=300 - Index used to define the order of execution */
+      order: 300,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: preventOverflow,
+      /**
+       * @prop {Array} [priority=['left','right','top','bottom']]
+       * Popper will try to prevent overflow following these priorities by default,
+       * then, it could overflow on the left and on top of the `boundariesElement`
+       */
+      priority: ['left', 'right', 'top', 'bottom'],
+      /**
+       * @prop {number} padding=5
+       * Amount of pixel used to define a minimum distance between the boundaries
+       * and the popper this makes sure the popper has always a little padding
+       * between the edges of its container
+       */
+      padding: 5,
+      /**
+       * @prop {String|HTMLElement} boundariesElement='scrollParent'
+       * Boundaries used by the modifier, can be `scrollParent`, `window`,
+       * `viewport` or any DOM element.
+       */
+      boundariesElement: 'scrollParent'
+    },
+
+    /**
+     * Modifier used to make sure the reference and its popper stay near eachothers
+     * without leaving any gap between the two. Expecially useful when the arrow is
+     * enabled and you want to assure it to point to its reference element.
+     * It cares only about the first axis, you can still have poppers with margin
+     * between the popper and its reference element.
+     * @memberof modifiers
+     * @inner
+     */
+    keepTogether: {
+      /** @prop {number} order=400 - Index used to define the order of execution */
+      order: 400,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: keepTogether
+    },
+
+    /**
+     * This modifier is used to move the `arrowElement` of the popper to make
+     * sure it is positioned between the reference element and its popper element.
+     * It will read the outer size of the `arrowElement` node to detect how many
+     * pixels of conjuction are needed.
+     *
+     * It has no effect if no `arrowElement` is provided.
+     * @memberof modifiers
+     * @inner
+     */
+    arrow: {
+      /** @prop {number} order=500 - Index used to define the order of execution */
+      order: 500,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: arrow,
+      /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */
+      element: '[x-arrow]'
+    },
+
+    /**
+     * Modifier used to flip the popper's placement when it starts to overlap its
+     * reference element.
+     *
+     * Requires the `preventOverflow` modifier before it in order to work.
+     *
+     * **NOTE:** this modifier will interrupt the current update cycle and will
+     * restart it if it detects the need to flip the placement.
+     * @memberof modifiers
+     * @inner
+     */
+    flip: {
+      /** @prop {number} order=600 - Index used to define the order of execution */
+      order: 600,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: flip,
+      /**
+       * @prop {String|Array} behavior='flip'
+       * The behavior used to change the popper's placement. It can be one of
+       * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid
+       * placements (with optional variations).
+       */
+      behavior: 'flip',
+      /**
+       * @prop {number} padding=5
+       * The popper will flip if it hits the edges of the `boundariesElement`
+       */
+      padding: 5,
+      /**
+       * @prop {String|HTMLElement} boundariesElement='viewport'
+       * The element which will define the boundaries of the popper position,
+       * the popper will never be placed outside of the defined boundaries
+       * (except if keepTogether is enabled)
+       */
+      boundariesElement: 'viewport'
+    },
+
+    /**
+     * Modifier used to make the popper flow toward the inner of the reference element.
+     * By default, when this modifier is disabled, the popper will be placed outside
+     * the reference element.
+     * @memberof modifiers
+     * @inner
+     */
+    inner: {
+      /** @prop {number} order=700 - Index used to define the order of execution */
+      order: 700,
+      /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */
+      enabled: false,
+      /** @prop {ModifierFn} */
+      fn: inner
+    },
+
+    /**
+     * Modifier used to hide the popper when its reference element is outside of the
+     * popper boundaries. It will set a `x-out-of-boundaries` attribute which can
+     * be used to hide with a CSS selector the popper when its reference is
+     * out of boundaries.
+     *
+     * Requires the `preventOverflow` modifier before it in order to work.
+     * @memberof modifiers
+     * @inner
+     */
+    hide: {
+      /** @prop {number} order=800 - Index used to define the order of execution */
+      order: 800,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: hide
+    },
+
+    /**
+     * Computes the style that will be applied to the popper element to gets
+     * properly positioned.
+     *
+     * Note that this modifier will not touch the DOM, it just prepares the styles
+     * so that `applyStyle` modifier can apply it. This separation is useful
+     * in case you need to replace `applyStyle` with a custom implementation.
+     *
+     * This modifier has `850` as `order` value to maintain backward compatibility
+     * with previous versions of Popper.js. Expect the modifiers ordering method
+     * to change in future major versions of the library.
+     *
+     * @memberof modifiers
+     * @inner
+     */
+    computeStyle: {
+      /** @prop {number} order=850 - Index used to define the order of execution */
+      order: 850,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: computeStyle,
+      /**
+       * @prop {Boolean} gpuAcceleration=true
+       * If true, it uses the CSS 3d transformation to position the popper.
+       * Otherwise, it will use the `top` and `left` properties.
+       */
+      gpuAcceleration: true,
+      /**
+       * @prop {string} [x='bottom']
+       * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.
+       * Change this if your popper should grow in a direction different from `bottom`
+       */
+      x: 'bottom',
+      /**
+       * @prop {string} [x='left']
+       * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.
+       * Change this if your popper should grow in a direction different from `right`
+       */
+      y: 'right'
+    },
+
+    /**
+     * Applies the computed styles to the popper element.
+     *
+     * All the DOM manipulations are limited to this modifier. This is useful in case
+     * you want to integrate Popper.js inside a framework or view library and you
+     * want to delegate all the DOM manipulations to it.
+     *
+     * Note that if you disable this modifier, you must make sure the popper element
+     * has its position set to `absolute` before Popper.js can do its work!
+     *
+     * Just disable this modifier and define you own to achieve the desired effect.
+     *
+     * @memberof modifiers
+     * @inner
+     */
+    applyStyle: {
+      /** @prop {number} order=900 - Index used to define the order of execution */
+      order: 900,
+      /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */
+      enabled: true,
+      /** @prop {ModifierFn} */
+      fn: applyStyle,
+      /** @prop {Function} */
+      onLoad: applyStyleOnLoad,
+      /**
+       * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier
+       * @prop {Boolean} gpuAcceleration=true
+       * If true, it uses the CSS 3d transformation to position the popper.
+       * Otherwise, it will use the `top` and `left` properties.
+       */
+      gpuAcceleration: undefined
+    }
+  };
+
+  /**
+   * The `dataObject` is an object containing all the informations used by Popper.js
+   * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks.
+   * @name dataObject
+   * @property {Object} data.instance The Popper.js instance
+   * @property {String} data.placement Placement applied to popper
+   * @property {String} data.originalPlacement Placement originally defined on init
+   * @property {Boolean} data.flipped True if popper has been flipped by flip modifier
+   * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper.
+   * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier
+   * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`)
+   * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`)
+   * @property {Object} data.boundaries Offsets of the popper boundaries
+   * @property {Object} data.offsets The measurements of popper, reference and arrow elements.
+   * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values
+   * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values
+   * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0
+   */
+
+  /**
+   * Default options provided to Popper.js constructor.<br />
+   * These can be overriden using the `options` argument of Popper.js.<br />
+   * To override an option, simply pass as 3rd argument an object with the same
+   * structure of this object, example:
+   * ```
+   * new Popper(ref, pop, {
+   *   modifiers: {
+   *     preventOverflow: { enabled: false }
+   *   }
+   * })
+   * ```
+   * @type {Object}
+   * @static
+   * @memberof Popper
+   */
+  var Defaults = {
+    /**
+     * Popper's placement
+     * @prop {Popper.placements} placement='bottom'
+     */
+    placement: 'bottom',
+
+    /**
+     * Set this to true if you want popper to position it self in 'fixed' mode
+     * @prop {Boolean} positionFixed=false
+     */
+    positionFixed: false,
+
+    /**
+     * Whether events (resize, scroll) are initially enabled
+     * @prop {Boolean} eventsEnabled=true
+     */
+    eventsEnabled: true,
+
+    /**
+     * Set to true if you want to automatically remove the popper when
+     * you call the `destroy` method.
+     * @prop {Boolean} removeOnDestroy=false
+     */
+    removeOnDestroy: false,
+
+    /**
+     * Callback called when the popper is created.<br />
+     * By default, is set to no-op.<br />
+     * Access Popper.js instance with `data.instance`.
+     * @prop {onCreate}
+     */
+    onCreate: function onCreate() {},
+
+    /**
+     * Callback called when the popper is updated, this callback is not called
+     * on the initialization/creation of the popper, but only on subsequent
+     * updates.<br />
+     * By default, is set to no-op.<br />
+     * Access Popper.js instance with `data.instance`.
+     * @prop {onUpdate}
+     */
+    onUpdate: function onUpdate() {},
+
+    /**
+     * List of modifiers used to modify the offsets before they are applied to the popper.
+     * They provide most of the functionalities of Popper.js
+     * @prop {modifiers}
+     */
+    modifiers: modifiers
+  };
+
+  /**
+   * @callback onCreate
+   * @param {dataObject} data
+   */
+
+  /**
+   * @callback onUpdate
+   * @param {dataObject} data
+   */
+
+  // Utils
+  // Methods
+  var Popper = function () {
+    /**
+     * Create a new Popper.js instance
+     * @class Popper
+     * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper
+     * @param {HTMLElement} popper - The HTML element used as popper.
+     * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)
+     * @return {Object} instance - The generated Popper.js instance
+     */
+    function Popper(reference, popper) {
+      var _this = this;
+
+      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+      classCallCheck(this, Popper);
+
+      this.scheduleUpdate = function () {
+        return requestAnimationFrame(_this.update);
+      };
+
+      // make update() debounced, so that it only runs at most once-per-tick
+      this.update = debounce(this.update.bind(this));
+
+      // with {} we create a new object with the options inside it
+      this.options = _extends({}, Popper.Defaults, options);
+
+      // init state
+      this.state = {
+        isDestroyed: false,
+        isCreated: false,
+        scrollParents: []
+      };
+
+      // get reference and popper elements (allow jQuery wrappers)
+      this.reference = reference && reference.jquery ? reference[0] : reference;
+      this.popper = popper && popper.jquery ? popper[0] : popper;
+
+      // Deep merge modifiers options
+      this.options.modifiers = {};
+      Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {
+        _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});
+      });
+
+      // Refactoring modifiers' list (Object => Array)
+      this.modifiers = Object.keys(this.options.modifiers).map(function (name) {
+        return _extends({
+          name: name
+        }, _this.options.modifiers[name]);
+      })
+      // sort the modifiers by order
+      .sort(function (a, b) {
+        return a.order - b.order;
+      });
+
+      // modifiers have the ability to execute arbitrary code when Popper.js get inited
+      // such code is executed in the same order of its modifier
+      // they could add new properties to their options configuration
+      // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!
+      this.modifiers.forEach(function (modifierOptions) {
+        if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {
+          modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);
+        }
+      });
+
+      // fire the first update to position the popper in the right place
+      this.update();
+
+      var eventsEnabled = this.options.eventsEnabled;
+      if (eventsEnabled) {
+        // setup event listeners, they will take care of update the position in specific situations
+        this.enableEventListeners();
+      }
+
+      this.state.eventsEnabled = eventsEnabled;
+    }
+
+    // We can't use class properties because they don't get listed in the
+    // class prototype and break stuff like Sinon stubs
+
+
+    createClass(Popper, [{
+      key: 'update',
+      value: function update$$1() {
+        return update.call(this);
+      }
+    }, {
+      key: 'destroy',
+      value: function destroy$$1() {
+        return destroy.call(this);
+      }
+    }, {
+      key: 'enableEventListeners',
+      value: function enableEventListeners$$1() {
+        return enableEventListeners.call(this);
+      }
+    }, {
+      key: 'disableEventListeners',
+      value: function disableEventListeners$$1() {
+        return disableEventListeners.call(this);
+      }
+
+      /**
+       * Schedule an update, it will run on the next UI update available
+       * @method scheduleUpdate
+       * @memberof Popper
+       */
+
+
+      /**
+       * Collection of utilities useful when writing custom modifiers.
+       * Starting from version 1.7, this method is available only if you
+       * include `popper-utils.js` before `popper.js`.
+       *
+       * **DEPRECATION**: This way to access PopperUtils is deprecated
+       * and will be removed in v2! Use the PopperUtils module directly instead.
+       * Due to the high instability of the methods contained in Utils, we can't
+       * guarantee them to follow semver. Use them at your own risk!
+       * @static
+       * @private
+       * @type {Object}
+       * @deprecated since version 1.8
+       * @member Utils
+       * @memberof Popper
+       */
+
+    }]);
+    return Popper;
+  }();
+
+  /**
+   * The `referenceObject` is an object that provides an interface compatible with Popper.js
+   * and lets you use it as replacement of a real DOM node.<br />
+   * You can use this method to position a popper relatively to a set of coordinates
+   * in case you don't have a DOM node to use as reference.
+   *
+   * ```
+   * new Popper(referenceObject, popperNode);
+   * ```
+   *
+   * NB: This feature isn't supported in Internet Explorer 10
+   * @name referenceObject
+   * @property {Function} data.getBoundingClientRect
+   * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.
+   * @property {number} data.clientWidth
+   * An ES6 getter that will return the width of the virtual reference element.
+   * @property {number} data.clientHeight
+   * An ES6 getter that will return the height of the virtual reference element.
+   */
+
+
+  Popper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;
+  Popper.placements = placements;
+  Popper.Defaults = Defaults;
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): dropdown.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Dropdown = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'dropdown';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.dropdown';
+    var EVENT_KEY = "." + DATA_KEY;
+    var DATA_API_KEY = '.data-api';
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+
+    var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
+
+    var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key
+
+    var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
+
+    var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
+
+    var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
+
+    var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE);
+    var Event = {
+      HIDE: "hide" + EVENT_KEY,
+      HIDDEN: "hidden" + EVENT_KEY,
+      SHOW: "show" + EVENT_KEY,
+      SHOWN: "shown" + EVENT_KEY,
+      CLICK: "click" + EVENT_KEY,
+      CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY,
+      KEYDOWN_DATA_API: "keydown" + EVENT_KEY + DATA_API_KEY,
+      KEYUP_DATA_API: "keyup" + EVENT_KEY + DATA_API_KEY
+    };
+    var ClassName = {
+      DISABLED: 'disabled',
+      SHOW: 'show',
+      DROPUP: 'dropup',
+      DROPRIGHT: 'dropright',
+      DROPLEFT: 'dropleft',
+      MENURIGHT: 'dropdown-menu-right',
+      MENULEFT: 'dropdown-menu-left',
+      POSITION_STATIC: 'position-static'
+    };
+    var Selector = {
+      DATA_TOGGLE: '[data-toggle="dropdown"]',
+      FORM_CHILD: '.dropdown form',
+      MENU: '.dropdown-menu',
+      NAVBAR_NAV: '.navbar-nav',
+      VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'
+    };
+    var AttachmentMap = {
+      TOP: 'top-start',
+      TOPEND: 'top-end',
+      BOTTOM: 'bottom-start',
+      BOTTOMEND: 'bottom-end',
+      RIGHT: 'right-start',
+      RIGHTEND: 'right-end',
+      LEFT: 'left-start',
+      LEFTEND: 'left-end'
+    };
+    var Default = {
+      offset: 0,
+      flip: true,
+      boundary: 'scrollParent',
+      reference: 'toggle',
+      display: 'dynamic'
+    };
+    var DefaultType = {
+      offset: '(number|string|function)',
+      flip: 'boolean',
+      boundary: '(string|element)',
+      reference: '(string|element)',
+      display: 'string'
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Dropdown =
+    /*#__PURE__*/
+    function () {
+      function Dropdown(element, config) {
+        this._element = element;
+        this._popper = null;
+        this._config = this._getConfig(config);
+        this._menu = this._getMenuElement();
+        this._inNavbar = this._detectNavbar();
+
+        this._addEventListeners();
+      } // Getters
+
+
+      var _proto = Dropdown.prototype;
+
+      // Public
+      _proto.toggle = function toggle() {
+        if (this._element.disabled || $$$1(this._element).hasClass(ClassName.DISABLED)) {
+          return;
+        }
+
+        var parent = Dropdown._getParentFromElement(this._element);
+
+        var isActive = $$$1(this._menu).hasClass(ClassName.SHOW);
+
+        Dropdown._clearMenus();
+
+        if (isActive) {
+          return;
+        }
+
+        var relatedTarget = {
+          relatedTarget: this._element
+        };
+        var showEvent = $$$1.Event(Event.SHOW, relatedTarget);
+        $$$1(parent).trigger(showEvent);
+
+        if (showEvent.isDefaultPrevented()) {
+          return;
+        } // Disable totally Popper.js for Dropdown in Navbar
+
+
+        if (!this._inNavbar) {
+          /**
+           * Check for Popper dependency
+           * Popper - https://popper.js.org
+           */
+          if (typeof Popper === 'undefined') {
+            throw new TypeError('Bootstrap dropdown require Popper.js (https://popper.js.org)');
+          }
+
+          var referenceElement = this._element;
+
+          if (this._config.reference === 'parent') {
+            referenceElement = parent;
+          } else if (Util.isElement(this._config.reference)) {
+            referenceElement = this._config.reference; // Check if it's jQuery element
+
+            if (typeof this._config.reference.jquery !== 'undefined') {
+              referenceElement = this._config.reference[0];
+            }
+          } // If boundary is not `scrollParent`, then set position to `static`
+          // to allow the menu to "escape" the scroll parent's boundaries
+          // https://github.com/twbs/bootstrap/issues/24251
+
+
+          if (this._config.boundary !== 'scrollParent') {
+            $$$1(parent).addClass(ClassName.POSITION_STATIC);
+          }
+
+          this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig());
+        } // If this is a touch-enabled device we add extra
+        // empty mouseover listeners to the body's immediate children;
+        // only needed because of broken event delegation on iOS
+        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+
+
+        if ('ontouchstart' in document.documentElement && $$$1(parent).closest(Selector.NAVBAR_NAV).length === 0) {
+          $$$1(document.body).children().on('mouseover', null, $$$1.noop);
+        }
+
+        this._element.focus();
+
+        this._element.setAttribute('aria-expanded', true);
+
+        $$$1(this._menu).toggleClass(ClassName.SHOW);
+        $$$1(parent).toggleClass(ClassName.SHOW).trigger($$$1.Event(Event.SHOWN, relatedTarget));
+      };
+
+      _proto.dispose = function dispose() {
+        $$$1.removeData(this._element, DATA_KEY);
+        $$$1(this._element).off(EVENT_KEY);
+        this._element = null;
+        this._menu = null;
+
+        if (this._popper !== null) {
+          this._popper.destroy();
+
+          this._popper = null;
+        }
+      };
+
+      _proto.update = function update() {
+        this._inNavbar = this._detectNavbar();
+
+        if (this._popper !== null) {
+          this._popper.scheduleUpdate();
+        }
+      }; // Private
+
+
+      _proto._addEventListeners = function _addEventListeners() {
+        var _this = this;
+
+        $$$1(this._element).on(Event.CLICK, function (event) {
+          event.preventDefault();
+          event.stopPropagation();
+
+          _this.toggle();
+        });
+      };
+
+      _proto._getConfig = function _getConfig(config) {
+        config = _objectSpread({}, this.constructor.Default, $$$1(this._element).data(), config);
+        Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
+        return config;
+      };
+
+      _proto._getMenuElement = function _getMenuElement() {
+        if (!this._menu) {
+          var parent = Dropdown._getParentFromElement(this._element);
+
+          if (parent) {
+            this._menu = parent.querySelector(Selector.MENU);
+          }
+        }
+
+        return this._menu;
+      };
+
+      _proto._getPlacement = function _getPlacement() {
+        var $parentDropdown = $$$1(this._element.parentNode);
+        var placement = AttachmentMap.BOTTOM; // Handle dropup
+
+        if ($parentDropdown.hasClass(ClassName.DROPUP)) {
+          placement = AttachmentMap.TOP;
+
+          if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) {
+            placement = AttachmentMap.TOPEND;
+          }
+        } else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) {
+          placement = AttachmentMap.RIGHT;
+        } else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) {
+          placement = AttachmentMap.LEFT;
+        } else if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.BOTTOMEND;
+        }
+
+        return placement;
+      };
+
+      _proto._detectNavbar = function _detectNavbar() {
+        return $$$1(this._element).closest('.navbar').length > 0;
+      };
+
+      _proto._getPopperConfig = function _getPopperConfig() {
+        var _this2 = this;
+
+        var offsetConf = {};
+
+        if (typeof this._config.offset === 'function') {
+          offsetConf.fn = function (data) {
+            data.offsets = _objectSpread({}, data.offsets, _this2._config.offset(data.offsets) || {});
+            return data;
+          };
+        } else {
+          offsetConf.offset = this._config.offset;
+        }
+
+        var popperConfig = {
+          placement: this._getPlacement(),
+          modifiers: {
+            offset: offsetConf,
+            flip: {
+              enabled: this._config.flip
+            },
+            preventOverflow: {
+              boundariesElement: this._config.boundary
+            }
+          } // Disable Popper.js if we have a static display
+
+        };
+
+        if (this._config.display === 'static') {
+          popperConfig.modifiers.applyStyle = {
+            enabled: false
+          };
+        }
+
+        return popperConfig;
+      }; // Static
+
+
+      Dropdown._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $$$1(this).data(DATA_KEY);
+
+          var _config = typeof config === 'object' ? config : null;
+
+          if (!data) {
+            data = new Dropdown(this, _config);
+            $$$1(this).data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new TypeError("No method named \"" + config + "\"");
+            }
+
+            data[config]();
+          }
+        });
+      };
+
+      Dropdown._clearMenus = function _clearMenus(event) {
+        if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
+          return;
+        }
+
+        var toggles = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE));
+
+        for (var i = 0, len = toggles.length; i < len; i++) {
+          var parent = Dropdown._getParentFromElement(toggles[i]);
+
+          var context = $$$1(toggles[i]).data(DATA_KEY);
+          var relatedTarget = {
+            relatedTarget: toggles[i]
+          };
+
+          if (event && event.type === 'click') {
+            relatedTarget.clickEvent = event;
+          }
+
+          if (!context) {
+            continue;
+          }
+
+          var dropdownMenu = context._menu;
+
+          if (!$$$1(parent).hasClass(ClassName.SHOW)) {
+            continue;
+          }
+
+          if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $$$1.contains(parent, event.target)) {
+            continue;
+          }
+
+          var hideEvent = $$$1.Event(Event.HIDE, relatedTarget);
+          $$$1(parent).trigger(hideEvent);
+
+          if (hideEvent.isDefaultPrevented()) {
+            continue;
+          } // If this is a touch-enabled device we remove the extra
+          // empty mouseover listeners we added for iOS support
+
+
+          if ('ontouchstart' in document.documentElement) {
+            $$$1(document.body).children().off('mouseover', null, $$$1.noop);
+          }
+
+          toggles[i].setAttribute('aria-expanded', 'false');
+          $$$1(dropdownMenu).removeClass(ClassName.SHOW);
+          $$$1(parent).removeClass(ClassName.SHOW).trigger($$$1.Event(Event.HIDDEN, relatedTarget));
+        }
+      };
+
+      Dropdown._getParentFromElement = function _getParentFromElement(element) {
+        var parent;
+        var selector = Util.getSelectorFromElement(element);
+
+        if (selector) {
+          parent = document.querySelector(selector);
+        }
+
+        return parent || element.parentNode;
+      }; // eslint-disable-next-line complexity
+
+
+      Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
+        // If not input/textarea:
+        //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
+        // If input/textarea:
+        //  - If space key => not a dropdown command
+        //  - If key is other than escape
+        //    - If key is not up or down => not a dropdown command
+        //    - If trigger inside the menu => not a dropdown command
+        if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $$$1(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
+          return;
+        }
+
+        event.preventDefault();
+        event.stopPropagation();
+
+        if (this.disabled || $$$1(this).hasClass(ClassName.DISABLED)) {
+          return;
+        }
+
+        var parent = Dropdown._getParentFromElement(this);
+
+        var isActive = $$$1(parent).hasClass(ClassName.SHOW);
+
+        if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
+          if (event.which === ESCAPE_KEYCODE) {
+            var toggle = parent.querySelector(Selector.DATA_TOGGLE);
+            $$$1(toggle).trigger('focus');
+          }
+
+          $$$1(this).trigger('click');
+          return;
+        }
+
+        var items = [].slice.call(parent.querySelectorAll(Selector.VISIBLE_ITEMS));
+
+        if (items.length === 0) {
+          return;
+        }
+
+        var index = items.indexOf(event.target);
+
+        if (event.which === ARROW_UP_KEYCODE && index > 0) {
+          // Up
+          index--;
+        }
+
+        if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
+          // Down
+          index++;
+        }
+
+        if (index < 0) {
+          index = 0;
+        }
+
+        items[index].focus();
+      };
+
+      _createClass(Dropdown, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }, {
+        key: "Default",
+        get: function get() {
+          return Default;
+        }
+      }, {
+        key: "DefaultType",
+        get: function get() {
+          return DefaultType;
+        }
+      }]);
+
+      return Dropdown;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + " " + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+      event.preventDefault();
+      event.stopPropagation();
+
+      Dropdown._jQueryInterface.call($$$1(this), 'toggle');
+    }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
+      e.stopPropagation();
+    });
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+    $$$1.fn[NAME] = Dropdown._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Dropdown;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Dropdown._jQueryInterface;
+    };
+
+    return Dropdown;
+  }($, Popper);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): modal.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Modal = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'modal';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.modal';
+    var EVENT_KEY = "." + DATA_KEY;
+    var DATA_API_KEY = '.data-api';
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+
+    var Default = {
+      backdrop: true,
+      keyboard: true,
+      focus: true,
+      show: true
+    };
+    var DefaultType = {
+      backdrop: '(boolean|string)',
+      keyboard: 'boolean',
+      focus: 'boolean',
+      show: 'boolean'
+    };
+    var Event = {
+      HIDE: "hide" + EVENT_KEY,
+      HIDDEN: "hidden" + EVENT_KEY,
+      SHOW: "show" + EVENT_KEY,
+      SHOWN: "shown" + EVENT_KEY,
+      FOCUSIN: "focusin" + EVENT_KEY,
+      RESIZE: "resize" + EVENT_KEY,
+      CLICK_DISMISS: "click.dismiss" + EVENT_KEY,
+      KEYDOWN_DISMISS: "keydown.dismiss" + EVENT_KEY,
+      MOUSEUP_DISMISS: "mouseup.dismiss" + EVENT_KEY,
+      MOUSEDOWN_DISMISS: "mousedown.dismiss" + EVENT_KEY,
+      CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
+    };
+    var ClassName = {
+      SCROLLBAR_MEASURER: 'modal-scrollbar-measure',
+      BACKDROP: 'modal-backdrop',
+      OPEN: 'modal-open',
+      FADE: 'fade',
+      SHOW: 'show'
+    };
+    var Selector = {
+      DIALOG: '.modal-dialog',
+      DATA_TOGGLE: '[data-toggle="modal"]',
+      DATA_DISMISS: '[data-dismiss="modal"]',
+      FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
+      STICKY_CONTENT: '.sticky-top'
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Modal =
+    /*#__PURE__*/
+    function () {
+      function Modal(element, config) {
+        this._config = this._getConfig(config);
+        this._element = element;
+        this._dialog = element.querySelector(Selector.DIALOG);
+        this._backdrop = null;
+        this._isShown = false;
+        this._isBodyOverflowing = false;
+        this._ignoreBackdropClick = false;
+        this._scrollbarWidth = 0;
+      } // Getters
+
+
+      var _proto = Modal.prototype;
+
+      // Public
+      _proto.toggle = function toggle(relatedTarget) {
+        return this._isShown ? this.hide() : this.show(relatedTarget);
+      };
+
+      _proto.show = function show(relatedTarget) {
+        var _this = this;
+
+        if (this._isTransitioning || this._isShown) {
+          return;
+        }
+
+        if ($$$1(this._element).hasClass(ClassName.FADE)) {
+          this._isTransitioning = true;
+        }
+
+        var showEvent = $$$1.Event(Event.SHOW, {
+          relatedTarget: relatedTarget
+        });
+        $$$1(this._element).trigger(showEvent);
+
+        if (this._isShown || showEvent.isDefaultPrevented()) {
+          return;
+        }
+
+        this._isShown = true;
+
+        this._checkScrollbar();
+
+        this._setScrollbar();
+
+        this._adjustDialog();
+
+        $$$1(document.body).addClass(ClassName.OPEN);
+
+        this._setEscapeEvent();
+
+        this._setResizeEvent();
+
+        $$$1(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
+          return _this.hide(event);
+        });
+        $$$1(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
+          $$$1(_this._element).one(Event.MOUSEUP_DISMISS, function (event) {
+            if ($$$1(event.target).is(_this._element)) {
+              _this._ignoreBackdropClick = true;
+            }
+          });
+        });
+
+        this._showBackdrop(function () {
+          return _this._showElement(relatedTarget);
+        });
+      };
+
+      _proto.hide = function hide(event) {
+        var _this2 = this;
+
+        if (event) {
+          event.preventDefault();
+        }
+
+        if (this._isTransitioning || !this._isShown) {
+          return;
+        }
+
+        var hideEvent = $$$1.Event(Event.HIDE);
+        $$$1(this._element).trigger(hideEvent);
+
+        if (!this._isShown || hideEvent.isDefaultPrevented()) {
+          return;
+        }
+
+        this._isShown = false;
+        var transition = $$$1(this._element).hasClass(ClassName.FADE);
+
+        if (transition) {
+          this._isTransitioning = true;
+        }
+
+        this._setEscapeEvent();
+
+        this._setResizeEvent();
+
+        $$$1(document).off(Event.FOCUSIN);
+        $$$1(this._element).removeClass(ClassName.SHOW);
+        $$$1(this._element).off(Event.CLICK_DISMISS);
+        $$$1(this._dialog).off(Event.MOUSEDOWN_DISMISS);
+
+        if (transition) {
+          var transitionDuration = Util.getTransitionDurationFromElement(this._element);
+          $$$1(this._element).one(Util.TRANSITION_END, function (event) {
+            return _this2._hideModal(event);
+          }).emulateTransitionEnd(transitionDuration);
+        } else {
+          this._hideModal();
+        }
+      };
+
+      _proto.dispose = function dispose() {
+        $$$1.removeData(this._element, DATA_KEY);
+        $$$1(window, document, this._element, this._backdrop).off(EVENT_KEY);
+        this._config = null;
+        this._element = null;
+        this._dialog = null;
+        this._backdrop = null;
+        this._isShown = null;
+        this._isBodyOverflowing = null;
+        this._ignoreBackdropClick = null;
+        this._scrollbarWidth = null;
+      };
+
+      _proto.handleUpdate = function handleUpdate() {
+        this._adjustDialog();
+      }; // Private
+
+
+      _proto._getConfig = function _getConfig(config) {
+        config = _objectSpread({}, Default, config);
+        Util.typeCheckConfig(NAME, config, DefaultType);
+        return config;
+      };
+
+      _proto._showElement = function _showElement(relatedTarget) {
+        var _this3 = this;
+
+        var transition = $$$1(this._element).hasClass(ClassName.FADE);
+
+        if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
+          // Don't move modal's DOM position
+          document.body.appendChild(this._element);
+        }
+
+        this._element.style.display = 'block';
+
+        this._element.removeAttribute('aria-hidden');
+
+        this._element.scrollTop = 0;
+
+        if (transition) {
+          Util.reflow(this._element);
+        }
+
+        $$$1(this._element).addClass(ClassName.SHOW);
+
+        if (this._config.focus) {
+          this._enforceFocus();
+        }
+
+        var shownEvent = $$$1.Event(Event.SHOWN, {
+          relatedTarget: relatedTarget
+        });
+
+        var transitionComplete = function transitionComplete() {
+          if (_this3._config.focus) {
+            _this3._element.focus();
+          }
+
+          _this3._isTransitioning = false;
+          $$$1(_this3._element).trigger(shownEvent);
+        };
+
+        if (transition) {
+          var transitionDuration = Util.getTransitionDurationFromElement(this._element);
+          $$$1(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(transitionDuration);
+        } else {
+          transitionComplete();
+        }
+      };
+
+      _proto._enforceFocus = function _enforceFocus() {
+        var _this4 = this;
+
+        $$$1(document).off(Event.FOCUSIN) // Guard against infinite focus loop
+        .on(Event.FOCUSIN, function (event) {
+          if (document !== event.target && _this4._element !== event.target && $$$1(_this4._element).has(event.target).length === 0) {
+            _this4._element.focus();
+          }
+        });
+      };
+
+      _proto._setEscapeEvent = function _setEscapeEvent() {
+        var _this5 = this;
+
+        if (this._isShown && this._config.keyboard) {
+          $$$1(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
+            if (event.which === ESCAPE_KEYCODE) {
+              event.preventDefault();
+
+              _this5.hide();
+            }
+          });
+        } else if (!this._isShown) {
+          $$$1(this._element).off(Event.KEYDOWN_DISMISS);
+        }
+      };
+
+      _proto._setResizeEvent = function _setResizeEvent() {
+        var _this6 = this;
+
+        if (this._isShown) {
+          $$$1(window).on(Event.RESIZE, function (event) {
+            return _this6.handleUpdate(event);
+          });
+        } else {
+          $$$1(window).off(Event.RESIZE);
+        }
+      };
+
+      _proto._hideModal = function _hideModal() {
+        var _this7 = this;
+
+        this._element.style.display = 'none';
+
+        this._element.setAttribute('aria-hidden', true);
+
+        this._isTransitioning = false;
+
+        this._showBackdrop(function () {
+          $$$1(document.body).removeClass(ClassName.OPEN);
+
+          _this7._resetAdjustments();
+
+          _this7._resetScrollbar();
+
+          $$$1(_this7._element).trigger(Event.HIDDEN);
+        });
+      };
+
+      _proto._removeBackdrop = function _removeBackdrop() {
+        if (this._backdrop) {
+          $$$1(this._backdrop).remove();
+          this._backdrop = null;
+        }
+      };
+
+      _proto._showBackdrop = function _showBackdrop(callback) {
+        var _this8 = this;
+
+        var animate = $$$1(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';
+
+        if (this._isShown && this._config.backdrop) {
+          this._backdrop = document.createElement('div');
+          this._backdrop.className = ClassName.BACKDROP;
+
+          if (animate) {
+            this._backdrop.classList.add(animate);
+          }
+
+          $$$1(this._backdrop).appendTo(document.body);
+          $$$1(this._element).on(Event.CLICK_DISMISS, function (event) {
+            if (_this8._ignoreBackdropClick) {
+              _this8._ignoreBackdropClick = false;
+              return;
+            }
+
+            if (event.target !== event.currentTarget) {
+              return;
+            }
+
+            if (_this8._config.backdrop === 'static') {
+              _this8._element.focus();
+            } else {
+              _this8.hide();
+            }
+          });
+
+          if (animate) {
+            Util.reflow(this._backdrop);
+          }
+
+          $$$1(this._backdrop).addClass(ClassName.SHOW);
+
+          if (!callback) {
+            return;
+          }
+
+          if (!animate) {
+            callback();
+            return;
+          }
+
+          var backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);
+          $$$1(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(backdropTransitionDuration);
+        } else if (!this._isShown && this._backdrop) {
+          $$$1(this._backdrop).removeClass(ClassName.SHOW);
+
+          var callbackRemove = function callbackRemove() {
+            _this8._removeBackdrop();
+
+            if (callback) {
+              callback();
+            }
+          };
+
+          if ($$$1(this._element).hasClass(ClassName.FADE)) {
+            var _backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);
+
+            $$$1(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(_backdropTransitionDuration);
+          } else {
+            callbackRemove();
+          }
+        } else if (callback) {
+          callback();
+        }
+      }; // ----------------------------------------------------------------------
+      // the following methods are used to handle overflowing modals
+      // todo (fat): these should probably be refactored out of modal.js
+      // ----------------------------------------------------------------------
+
+
+      _proto._adjustDialog = function _adjustDialog() {
+        var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
+
+        if (!this._isBodyOverflowing && isModalOverflowing) {
+          this._element.style.paddingLeft = this._scrollbarWidth + "px";
+        }
+
+        if (this._isBodyOverflowing && !isModalOverflowing) {
+          this._element.style.paddingRight = this._scrollbarWidth + "px";
+        }
+      };
+
+      _proto._resetAdjustments = function _resetAdjustments() {
+        this._element.style.paddingLeft = '';
+        this._element.style.paddingRight = '';
+      };
+
+      _proto._checkScrollbar = function _checkScrollbar() {
+        var rect = document.body.getBoundingClientRect();
+        this._isBodyOverflowing = rect.left + rect.right < window.innerWidth;
+        this._scrollbarWidth = this._getScrollbarWidth();
+      };
+
+      _proto._setScrollbar = function _setScrollbar() {
+        var _this9 = this;
+
+        if (this._isBodyOverflowing) {
+          // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+          //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+          var fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT));
+          var stickyContent = [].slice.call(document.querySelectorAll(Selector.STICKY_CONTENT)); // Adjust fixed content padding
+
+          $$$1(fixedContent).each(function (index, element) {
+            var actualPadding = element.style.paddingRight;
+            var calculatedPadding = $$$1(element).css('padding-right');
+            $$$1(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + "px");
+          }); // Adjust sticky content margin
+
+          $$$1(stickyContent).each(function (index, element) {
+            var actualMargin = element.style.marginRight;
+            var calculatedMargin = $$$1(element).css('margin-right');
+            $$$1(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + "px");
+          }); // Adjust body padding
+
+          var actualPadding = document.body.style.paddingRight;
+          var calculatedPadding = $$$1(document.body).css('padding-right');
+          $$$1(document.body).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px");
+        }
+      };
+
+      _proto._resetScrollbar = function _resetScrollbar() {
+        // Restore fixed content padding
+        var fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT));
+        $$$1(fixedContent).each(function (index, element) {
+          var padding = $$$1(element).data('padding-right');
+          $$$1(element).removeData('padding-right');
+          element.style.paddingRight = padding ? padding : '';
+        }); // Restore sticky content
+
+        var elements = [].slice.call(document.querySelectorAll("" + Selector.STICKY_CONTENT));
+        $$$1(elements).each(function (index, element) {
+          var margin = $$$1(element).data('margin-right');
+
+          if (typeof margin !== 'undefined') {
+            $$$1(element).css('margin-right', margin).removeData('margin-right');
+          }
+        }); // Restore body padding
+
+        var padding = $$$1(document.body).data('padding-right');
+        $$$1(document.body).removeData('padding-right');
+        document.body.style.paddingRight = padding ? padding : '';
+      };
+
+      _proto._getScrollbarWidth = function _getScrollbarWidth() {
+        // thx d.walsh
+        var scrollDiv = document.createElement('div');
+        scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
+        document.body.appendChild(scrollDiv);
+        var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
+        document.body.removeChild(scrollDiv);
+        return scrollbarWidth;
+      }; // Static
+
+
+      Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget) {
+        return this.each(function () {
+          var data = $$$1(this).data(DATA_KEY);
+
+          var _config = _objectSpread({}, Default, $$$1(this).data(), typeof config === 'object' && config ? config : {});
+
+          if (!data) {
+            data = new Modal(this, _config);
+            $$$1(this).data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new TypeError("No method named \"" + config + "\"");
+            }
+
+            data[config](relatedTarget);
+          } else if (_config.show) {
+            data.show(relatedTarget);
+          }
+        });
+      };
+
+      _createClass(Modal, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }, {
+        key: "Default",
+        get: function get() {
+          return Default;
+        }
+      }]);
+
+      return Modal;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+      var _this10 = this;
+
+      var target;
+      var selector = Util.getSelectorFromElement(this);
+
+      if (selector) {
+        target = document.querySelector(selector);
+      }
+
+      var config = $$$1(target).data(DATA_KEY) ? 'toggle' : _objectSpread({}, $$$1(target).data(), $$$1(this).data());
+
+      if (this.tagName === 'A' || this.tagName === 'AREA') {
+        event.preventDefault();
+      }
+
+      var $target = $$$1(target).one(Event.SHOW, function (showEvent) {
+        if (showEvent.isDefaultPrevented()) {
+          // Only register focus restorer if modal will actually get shown
+          return;
+        }
+
+        $target.one(Event.HIDDEN, function () {
+          if ($$$1(_this10).is(':visible')) {
+            _this10.focus();
+          }
+        });
+      });
+
+      Modal._jQueryInterface.call($$$1(target), config, this);
+    });
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+    $$$1.fn[NAME] = Modal._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Modal;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Modal._jQueryInterface;
+    };
+
+    return Modal;
+  }($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): tooltip.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Tooltip = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'tooltip';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.tooltip';
+    var EVENT_KEY = "." + DATA_KEY;
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var CLASS_PREFIX = 'bs-tooltip';
+    var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
+    var DefaultType = {
+      animation: 'boolean',
+      template: 'string',
+      title: '(string|element|function)',
+      trigger: 'string',
+      delay: '(number|object)',
+      html: 'boolean',
+      selector: '(string|boolean)',
+      placement: '(string|function)',
+      offset: '(number|string)',
+      container: '(string|element|boolean)',
+      fallbackPlacement: '(string|array)',
+      boundary: '(string|element)'
+    };
+    var AttachmentMap = {
+      AUTO: 'auto',
+      TOP: 'top',
+      RIGHT: 'right',
+      BOTTOM: 'bottom',
+      LEFT: 'left'
+    };
+    var Default = {
+      animation: true,
+      template: '<div class="tooltip" role="tooltip">' + '<div class="arrow"></div>' + '<div class="tooltip-inner"></div></div>',
+      trigger: 'hover focus',
+      title: '',
+      delay: 0,
+      html: false,
+      selector: false,
+      placement: 'top',
+      offset: 0,
+      container: false,
+      fallbackPlacement: 'flip',
+      boundary: 'scrollParent'
+    };
+    var HoverState = {
+      SHOW: 'show',
+      OUT: 'out'
+    };
+    var Event = {
+      HIDE: "hide" + EVENT_KEY,
+      HIDDEN: "hidden" + EVENT_KEY,
+      SHOW: "show" + EVENT_KEY,
+      SHOWN: "shown" + EVENT_KEY,
+      INSERTED: "inserted" + EVENT_KEY,
+      CLICK: "click" + EVENT_KEY,
+      FOCUSIN: "focusin" + EVENT_KEY,
+      FOCUSOUT: "focusout" + EVENT_KEY,
+      MOUSEENTER: "mouseenter" + EVENT_KEY,
+      MOUSELEAVE: "mouseleave" + EVENT_KEY
+    };
+    var ClassName = {
+      FADE: 'fade',
+      SHOW: 'show'
+    };
+    var Selector = {
+      TOOLTIP: '.tooltip',
+      TOOLTIP_INNER: '.tooltip-inner',
+      ARROW: '.arrow'
+    };
+    var Trigger = {
+      HOVER: 'hover',
+      FOCUS: 'focus',
+      CLICK: 'click',
+      MANUAL: 'manual'
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Tooltip =
+    /*#__PURE__*/
+    function () {
+      function Tooltip(element, config) {
+        /**
+         * Check for Popper dependency
+         * Popper - https://popper.js.org
+         */
+        if (typeof Popper === 'undefined') {
+          throw new TypeError('Bootstrap tooltips require Popper.js (https://popper.js.org)');
+        } // private
+
+
+        this._isEnabled = true;
+        this._timeout = 0;
+        this._hoverState = '';
+        this._activeTrigger = {};
+        this._popper = null; // Protected
+
+        this.element = element;
+        this.config = this._getConfig(config);
+        this.tip = null;
+
+        this._setListeners();
+      } // Getters
+
+
+      var _proto = Tooltip.prototype;
+
+      // Public
+      _proto.enable = function enable() {
+        this._isEnabled = true;
+      };
+
+      _proto.disable = function disable() {
+        this._isEnabled = false;
+      };
+
+      _proto.toggleEnabled = function toggleEnabled() {
+        this._isEnabled = !this._isEnabled;
+      };
+
+      _proto.toggle = function toggle(event) {
+        if (!this._isEnabled) {
+          return;
+        }
+
+        if (event) {
+          var dataKey = this.constructor.DATA_KEY;
+          var context = $$$1(event.currentTarget).data(dataKey);
+
+          if (!context) {
+            context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+            $$$1(event.currentTarget).data(dataKey, context);
+          }
+
+          context._activeTrigger.click = !context._activeTrigger.click;
+
+          if (context._isWithActiveTrigger()) {
+            context._enter(null, context);
+          } else {
+            context._leave(null, context);
+          }
+        } else {
+          if ($$$1(this.getTipElement()).hasClass(ClassName.SHOW)) {
+            this._leave(null, this);
+
+            return;
+          }
+
+          this._enter(null, this);
+        }
+      };
+
+      _proto.dispose = function dispose() {
+        clearTimeout(this._timeout);
+        $$$1.removeData(this.element, this.constructor.DATA_KEY);
+        $$$1(this.element).off(this.constructor.EVENT_KEY);
+        $$$1(this.element).closest('.modal').off('hide.bs.modal');
+
+        if (this.tip) {
+          $$$1(this.tip).remove();
+        }
+
+        this._isEnabled = null;
+        this._timeout = null;
+        this._hoverState = null;
+        this._activeTrigger = null;
+
+        if (this._popper !== null) {
+          this._popper.destroy();
+        }
+
+        this._popper = null;
+        this.element = null;
+        this.config = null;
+        this.tip = null;
+      };
+
+      _proto.show = function show() {
+        var _this = this;
+
+        if ($$$1(this.element).css('display') === 'none') {
+          throw new Error('Please use show on visible elements');
+        }
+
+        var showEvent = $$$1.Event(this.constructor.Event.SHOW);
+
+        if (this.isWithContent() && this._isEnabled) {
+          $$$1(this.element).trigger(showEvent);
+          var isInTheDom = $$$1.contains(this.element.ownerDocument.documentElement, this.element);
+
+          if (showEvent.isDefaultPrevented() || !isInTheDom) {
+            return;
+          }
+
+          var tip = this.getTipElement();
+          var tipId = Util.getUID(this.constructor.NAME);
+          tip.setAttribute('id', tipId);
+          this.element.setAttribute('aria-describedby', tipId);
+          this.setContent();
+
+          if (this.config.animation) {
+            $$$1(tip).addClass(ClassName.FADE);
+          }
+
+          var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;
+
+          var attachment = this._getAttachment(placement);
+
+          this.addAttachmentClass(attachment);
+          var container = this.config.container === false ? document.body : $$$1(document).find(this.config.container);
+          $$$1(tip).data(this.constructor.DATA_KEY, this);
+
+          if (!$$$1.contains(this.element.ownerDocument.documentElement, this.tip)) {
+            $$$1(tip).appendTo(container);
+          }
+
+          $$$1(this.element).trigger(this.constructor.Event.INSERTED);
+          this._popper = new Popper(this.element, tip, {
+            placement: attachment,
+            modifiers: {
+              offset: {
+                offset: this.config.offset
+              },
+              flip: {
+                behavior: this.config.fallbackPlacement
+              },
+              arrow: {
+                element: Selector.ARROW
+              },
+              preventOverflow: {
+                boundariesElement: this.config.boundary
+              }
+            },
+            onCreate: function onCreate(data) {
+              if (data.originalPlacement !== data.placement) {
+                _this._handlePopperPlacementChange(data);
+              }
+            },
+            onUpdate: function onUpdate(data) {
+              _this._handlePopperPlacementChange(data);
+            }
+          });
+          $$$1(tip).addClass(ClassName.SHOW); // If this is a touch-enabled device we add extra
+          // empty mouseover listeners to the body's immediate children;
+          // only needed because of broken event delegation on iOS
+          // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+
+          if ('ontouchstart' in document.documentElement) {
+            $$$1(document.body).children().on('mouseover', null, $$$1.noop);
+          }
+
+          var complete = function complete() {
+            if (_this.config.animation) {
+              _this._fixTransition();
+            }
+
+            var prevHoverState = _this._hoverState;
+            _this._hoverState = null;
+            $$$1(_this.element).trigger(_this.constructor.Event.SHOWN);
+
+            if (prevHoverState === HoverState.OUT) {
+              _this._leave(null, _this);
+            }
+          };
+
+          if ($$$1(this.tip).hasClass(ClassName.FADE)) {
+            var transitionDuration = Util.getTransitionDurationFromElement(this.tip);
+            $$$1(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+          } else {
+            complete();
+          }
+        }
+      };
+
+      _proto.hide = function hide(callback) {
+        var _this2 = this;
+
+        var tip = this.getTipElement();
+        var hideEvent = $$$1.Event(this.constructor.Event.HIDE);
+
+        var complete = function complete() {
+          if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
+            tip.parentNode.removeChild(tip);
+          }
+
+          _this2._cleanTipClass();
+
+          _this2.element.removeAttribute('aria-describedby');
+
+          $$$1(_this2.element).trigger(_this2.constructor.Event.HIDDEN);
+
+          if (_this2._popper !== null) {
+            _this2._popper.destroy();
+          }
+
+          if (callback) {
+            callback();
+          }
+        };
+
+        $$$1(this.element).trigger(hideEvent);
+
+        if (hideEvent.isDefaultPrevented()) {
+          return;
+        }
+
+        $$$1(tip).removeClass(ClassName.SHOW); // If this is a touch-enabled device we remove the extra
+        // empty mouseover listeners we added for iOS support
+
+        if ('ontouchstart' in document.documentElement) {
+          $$$1(document.body).children().off('mouseover', null, $$$1.noop);
+        }
+
+        this._activeTrigger[Trigger.CLICK] = false;
+        this._activeTrigger[Trigger.FOCUS] = false;
+        this._activeTrigger[Trigger.HOVER] = false;
+
+        if ($$$1(this.tip).hasClass(ClassName.FADE)) {
+          var transitionDuration = Util.getTransitionDurationFromElement(tip);
+          $$$1(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+        } else {
+          complete();
+        }
+
+        this._hoverState = '';
+      };
+
+      _proto.update = function update() {
+        if (this._popper !== null) {
+          this._popper.scheduleUpdate();
+        }
+      }; // Protected
+
+
+      _proto.isWithContent = function isWithContent() {
+        return Boolean(this.getTitle());
+      };
+
+      _proto.addAttachmentClass = function addAttachmentClass(attachment) {
+        $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
+      };
+
+      _proto.getTipElement = function getTipElement() {
+        this.tip = this.tip || $$$1(this.config.template)[0];
+        return this.tip;
+      };
+
+      _proto.setContent = function setContent() {
+        var tip = this.getTipElement();
+        this.setElementContent($$$1(tip.querySelectorAll(Selector.TOOLTIP_INNER)), this.getTitle());
+        $$$1(tip).removeClass(ClassName.FADE + " " + ClassName.SHOW);
+      };
+
+      _proto.setElementContent = function setElementContent($element, content) {
+        var html = this.config.html;
+
+        if (typeof content === 'object' && (content.nodeType || content.jquery)) {
+          // Content is a DOM node or a jQuery
+          if (html) {
+            if (!$$$1(content).parent().is($element)) {
+              $element.empty().append(content);
+            }
+          } else {
+            $element.text($$$1(content).text());
+          }
+        } else {
+          $element[html ? 'html' : 'text'](content);
+        }
+      };
+
+      _proto.getTitle = function getTitle() {
+        var title = this.element.getAttribute('data-original-title');
+
+        if (!title) {
+          title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title;
+        }
+
+        return title;
+      }; // Private
+
+
+      _proto._getAttachment = function _getAttachment(placement) {
+        return AttachmentMap[placement.toUpperCase()];
+      };
+
+      _proto._setListeners = function _setListeners() {
+        var _this3 = this;
+
+        var triggers = this.config.trigger.split(' ');
+        triggers.forEach(function (trigger) {
+          if (trigger === 'click') {
+            $$$1(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, function (event) {
+              return _this3.toggle(event);
+            });
+          } else if (trigger !== Trigger.MANUAL) {
+            var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN;
+            var eventOut = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSELEAVE : _this3.constructor.Event.FOCUSOUT;
+            $$$1(_this3.element).on(eventIn, _this3.config.selector, function (event) {
+              return _this3._enter(event);
+            }).on(eventOut, _this3.config.selector, function (event) {
+              return _this3._leave(event);
+            });
+          }
+
+          $$$1(_this3.element).closest('.modal').on('hide.bs.modal', function () {
+            return _this3.hide();
+          });
+        });
+
+        if (this.config.selector) {
+          this.config = _objectSpread({}, this.config, {
+            trigger: 'manual',
+            selector: ''
+          });
+        } else {
+          this._fixTitle();
+        }
+      };
+
+      _proto._fixTitle = function _fixTitle() {
+        var titleType = typeof this.element.getAttribute('data-original-title');
+
+        if (this.element.getAttribute('title') || titleType !== 'string') {
+          this.element.setAttribute('data-original-title', this.element.getAttribute('title') || '');
+          this.element.setAttribute('title', '');
+        }
+      };
+
+      _proto._enter = function _enter(event, context) {
+        var dataKey = this.constructor.DATA_KEY;
+        context = context || $$$1(event.currentTarget).data(dataKey);
+
+        if (!context) {
+          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+          $$$1(event.currentTarget).data(dataKey, context);
+        }
+
+        if (event) {
+          context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true;
+        }
+
+        if ($$$1(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) {
+          context._hoverState = HoverState.SHOW;
+          return;
+        }
+
+        clearTimeout(context._timeout);
+        context._hoverState = HoverState.SHOW;
+
+        if (!context.config.delay || !context.config.delay.show) {
+          context.show();
+          return;
+        }
+
+        context._timeout = setTimeout(function () {
+          if (context._hoverState === HoverState.SHOW) {
+            context.show();
+          }
+        }, context.config.delay.show);
+      };
+
+      _proto._leave = function _leave(event, context) {
+        var dataKey = this.constructor.DATA_KEY;
+        context = context || $$$1(event.currentTarget).data(dataKey);
+
+        if (!context) {
+          context = new this.constructor(event.currentTarget, this._getDelegateConfig());
+          $$$1(event.currentTarget).data(dataKey, context);
+        }
+
+        if (event) {
+          context._activeTrigger[event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER] = false;
+        }
+
+        if (context._isWithActiveTrigger()) {
+          return;
+        }
+
+        clearTimeout(context._timeout);
+        context._hoverState = HoverState.OUT;
+
+        if (!context.config.delay || !context.config.delay.hide) {
+          context.hide();
+          return;
+        }
+
+        context._timeout = setTimeout(function () {
+          if (context._hoverState === HoverState.OUT) {
+            context.hide();
+          }
+        }, context.config.delay.hide);
+      };
+
+      _proto._isWithActiveTrigger = function _isWithActiveTrigger() {
+        for (var trigger in this._activeTrigger) {
+          if (this._activeTrigger[trigger]) {
+            return true;
+          }
+        }
+
+        return false;
+      };
+
+      _proto._getConfig = function _getConfig(config) {
+        config = _objectSpread({}, this.constructor.Default, $$$1(this.element).data(), typeof config === 'object' && config ? config : {});
+
+        if (typeof config.delay === 'number') {
+          config.delay = {
+            show: config.delay,
+            hide: config.delay
+          };
+        }
+
+        if (typeof config.title === 'number') {
+          config.title = config.title.toString();
+        }
+
+        if (typeof config.content === 'number') {
+          config.content = config.content.toString();
+        }
+
+        Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
+        return config;
+      };
+
+      _proto._getDelegateConfig = function _getDelegateConfig() {
+        var config = {};
+
+        if (this.config) {
+          for (var key in this.config) {
+            if (this.constructor.Default[key] !== this.config[key]) {
+              config[key] = this.config[key];
+            }
+          }
+        }
+
+        return config;
+      };
+
+      _proto._cleanTipClass = function _cleanTipClass() {
+        var $tip = $$$1(this.getTipElement());
+        var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+
+        if (tabClass !== null && tabClass.length) {
+          $tip.removeClass(tabClass.join(''));
+        }
+      };
+
+      _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(popperData) {
+        var popperInstance = popperData.instance;
+        this.tip = popperInstance.popper;
+
+        this._cleanTipClass();
+
+        this.addAttachmentClass(this._getAttachment(popperData.placement));
+      };
+
+      _proto._fixTransition = function _fixTransition() {
+        var tip = this.getTipElement();
+        var initConfigAnimation = this.config.animation;
+
+        if (tip.getAttribute('x-placement') !== null) {
+          return;
+        }
+
+        $$$1(tip).removeClass(ClassName.FADE);
+        this.config.animation = false;
+        this.hide();
+        this.show();
+        this.config.animation = initConfigAnimation;
+      }; // Static
+
+
+      Tooltip._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $$$1(this).data(DATA_KEY);
+
+          var _config = typeof config === 'object' && config;
+
+          if (!data && /dispose|hide/.test(config)) {
+            return;
+          }
+
+          if (!data) {
+            data = new Tooltip(this, _config);
+            $$$1(this).data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new TypeError("No method named \"" + config + "\"");
+            }
+
+            data[config]();
+          }
+        });
+      };
+
+      _createClass(Tooltip, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }, {
+        key: "Default",
+        get: function get() {
+          return Default;
+        }
+      }, {
+        key: "NAME",
+        get: function get() {
+          return NAME;
+        }
+      }, {
+        key: "DATA_KEY",
+        get: function get() {
+          return DATA_KEY;
+        }
+      }, {
+        key: "Event",
+        get: function get() {
+          return Event;
+        }
+      }, {
+        key: "EVENT_KEY",
+        get: function get() {
+          return EVENT_KEY;
+        }
+      }, {
+        key: "DefaultType",
+        get: function get() {
+          return DefaultType;
+        }
+      }]);
+
+      return Tooltip;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1.fn[NAME] = Tooltip._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Tooltip;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Tooltip._jQueryInterface;
+    };
+
+    return Tooltip;
+  }($, Popper);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): popover.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Popover = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'popover';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.popover';
+    var EVENT_KEY = "." + DATA_KEY;
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var CLASS_PREFIX = 'bs-popover';
+    var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
+
+    var Default = _objectSpread({}, Tooltip.Default, {
+      placement: 'right',
+      trigger: 'click',
+      content: '',
+      template: '<div class="popover" role="tooltip">' + '<div class="arrow"></div>' + '<h3 class="popover-header"></h3>' + '<div class="popover-body"></div></div>'
+    });
+
+    var DefaultType = _objectSpread({}, Tooltip.DefaultType, {
+      content: '(string|element|function)'
+    });
+
+    var ClassName = {
+      FADE: 'fade',
+      SHOW: 'show'
+    };
+    var Selector = {
+      TITLE: '.popover-header',
+      CONTENT: '.popover-body'
+    };
+    var Event = {
+      HIDE: "hide" + EVENT_KEY,
+      HIDDEN: "hidden" + EVENT_KEY,
+      SHOW: "show" + EVENT_KEY,
+      SHOWN: "shown" + EVENT_KEY,
+      INSERTED: "inserted" + EVENT_KEY,
+      CLICK: "click" + EVENT_KEY,
+      FOCUSIN: "focusin" + EVENT_KEY,
+      FOCUSOUT: "focusout" + EVENT_KEY,
+      MOUSEENTER: "mouseenter" + EVENT_KEY,
+      MOUSELEAVE: "mouseleave" + EVENT_KEY
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Popover =
+    /*#__PURE__*/
+    function (_Tooltip) {
+      _inheritsLoose(Popover, _Tooltip);
+
+      function Popover() {
+        return _Tooltip.apply(this, arguments) || this;
+      }
+
+      var _proto = Popover.prototype;
+
+      // Overrides
+      _proto.isWithContent = function isWithContent() {
+        return this.getTitle() || this._getContent();
+      };
+
+      _proto.addAttachmentClass = function addAttachmentClass(attachment) {
+        $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
+      };
+
+      _proto.getTipElement = function getTipElement() {
+        this.tip = this.tip || $$$1(this.config.template)[0];
+        return this.tip;
+      };
+
+      _proto.setContent = function setContent() {
+        var $tip = $$$1(this.getTipElement()); // We use append for html objects to maintain js events
+
+        this.setElementContent($tip.find(Selector.TITLE), this.getTitle());
+
+        var content = this._getContent();
+
+        if (typeof content === 'function') {
+          content = content.call(this.element);
+        }
+
+        this.setElementContent($tip.find(Selector.CONTENT), content);
+        $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW);
+      }; // Private
+
+
+      _proto._getContent = function _getContent() {
+        return this.element.getAttribute('data-content') || this.config.content;
+      };
+
+      _proto._cleanTipClass = function _cleanTipClass() {
+        var $tip = $$$1(this.getTipElement());
+        var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+
+        if (tabClass !== null && tabClass.length > 0) {
+          $tip.removeClass(tabClass.join(''));
+        }
+      }; // Static
+
+
+      Popover._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $$$1(this).data(DATA_KEY);
+
+          var _config = typeof config === 'object' ? config : null;
+
+          if (!data && /destroy|hide/.test(config)) {
+            return;
+          }
+
+          if (!data) {
+            data = new Popover(this, _config);
+            $$$1(this).data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new TypeError("No method named \"" + config + "\"");
+            }
+
+            data[config]();
+          }
+        });
+      };
+
+      _createClass(Popover, null, [{
+        key: "VERSION",
+        // Getters
+        get: function get() {
+          return VERSION;
+        }
+      }, {
+        key: "Default",
+        get: function get() {
+          return Default;
+        }
+      }, {
+        key: "NAME",
+        get: function get() {
+          return NAME;
+        }
+      }, {
+        key: "DATA_KEY",
+        get: function get() {
+          return DATA_KEY;
+        }
+      }, {
+        key: "Event",
+        get: function get() {
+          return Event;
+        }
+      }, {
+        key: "EVENT_KEY",
+        get: function get() {
+          return EVENT_KEY;
+        }
+      }, {
+        key: "DefaultType",
+        get: function get() {
+          return DefaultType;
+        }
+      }]);
+
+      return Popover;
+    }(Tooltip);
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1.fn[NAME] = Popover._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Popover;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Popover._jQueryInterface;
+    };
+
+    return Popover;
+  }($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): scrollspy.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var ScrollSpy = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'scrollspy';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.scrollspy';
+    var EVENT_KEY = "." + DATA_KEY;
+    var DATA_API_KEY = '.data-api';
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var Default = {
+      offset: 10,
+      method: 'auto',
+      target: ''
+    };
+    var DefaultType = {
+      offset: 'number',
+      method: 'string',
+      target: '(string|element)'
+    };
+    var Event = {
+      ACTIVATE: "activate" + EVENT_KEY,
+      SCROLL: "scroll" + EVENT_KEY,
+      LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY
+    };
+    var ClassName = {
+      DROPDOWN_ITEM: 'dropdown-item',
+      DROPDOWN_MENU: 'dropdown-menu',
+      ACTIVE: 'active'
+    };
+    var Selector = {
+      DATA_SPY: '[data-spy="scroll"]',
+      ACTIVE: '.active',
+      NAV_LIST_GROUP: '.nav, .list-group',
+      NAV_LINKS: '.nav-link',
+      NAV_ITEMS: '.nav-item',
+      LIST_ITEMS: '.list-group-item',
+      DROPDOWN: '.dropdown',
+      DROPDOWN_ITEMS: '.dropdown-item',
+      DROPDOWN_TOGGLE: '.dropdown-toggle'
+    };
+    var OffsetMethod = {
+      OFFSET: 'offset',
+      POSITION: 'position'
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var ScrollSpy =
+    /*#__PURE__*/
+    function () {
+      function ScrollSpy(element, config) {
+        var _this = this;
+
+        this._element = element;
+        this._scrollElement = element.tagName === 'BODY' ? window : element;
+        this._config = this._getConfig(config);
+        this._selector = this._config.target + " " + Selector.NAV_LINKS + "," + (this._config.target + " " + Selector.LIST_ITEMS + ",") + (this._config.target + " " + Selector.DROPDOWN_ITEMS);
+        this._offsets = [];
+        this._targets = [];
+        this._activeTarget = null;
+        this._scrollHeight = 0;
+        $$$1(this._scrollElement).on(Event.SCROLL, function (event) {
+          return _this._process(event);
+        });
+        this.refresh();
+
+        this._process();
+      } // Getters
+
+
+      var _proto = ScrollSpy.prototype;
+
+      // Public
+      _proto.refresh = function refresh() {
+        var _this2 = this;
+
+        var autoMethod = this._scrollElement === this._scrollElement.window ? OffsetMethod.OFFSET : OffsetMethod.POSITION;
+        var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
+        var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0;
+        this._offsets = [];
+        this._targets = [];
+        this._scrollHeight = this._getScrollHeight();
+        var targets = [].slice.call(document.querySelectorAll(this._selector));
+        targets.map(function (element) {
+          var target;
+          var targetSelector = Util.getSelectorFromElement(element);
+
+          if (targetSelector) {
+            target = document.querySelector(targetSelector);
+          }
+
+          if (target) {
+            var targetBCR = target.getBoundingClientRect();
+
+            if (targetBCR.width || targetBCR.height) {
+              // TODO (fat): remove sketch reliance on jQuery position/offset
+              return [$$$1(target)[offsetMethod]().top + offsetBase, targetSelector];
+            }
+          }
+
+          return null;
+        }).filter(function (item) {
+          return item;
+        }).sort(function (a, b) {
+          return a[0] - b[0];
+        }).forEach(function (item) {
+          _this2._offsets.push(item[0]);
+
+          _this2._targets.push(item[1]);
+        });
+      };
+
+      _proto.dispose = function dispose() {
+        $$$1.removeData(this._element, DATA_KEY);
+        $$$1(this._scrollElement).off(EVENT_KEY);
+        this._element = null;
+        this._scrollElement = null;
+        this._config = null;
+        this._selector = null;
+        this._offsets = null;
+        this._targets = null;
+        this._activeTarget = null;
+        this._scrollHeight = null;
+      }; // Private
+
+
+      _proto._getConfig = function _getConfig(config) {
+        config = _objectSpread({}, Default, typeof config === 'object' && config ? config : {});
+
+        if (typeof config.target !== 'string') {
+          var id = $$$1(config.target).attr('id');
+
+          if (!id) {
+            id = Util.getUID(NAME);
+            $$$1(config.target).attr('id', id);
+          }
+
+          config.target = "#" + id;
+        }
+
+        Util.typeCheckConfig(NAME, config, DefaultType);
+        return config;
+      };
+
+      _proto._getScrollTop = function _getScrollTop() {
+        return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
+      };
+
+      _proto._getScrollHeight = function _getScrollHeight() {
+        return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
+      };
+
+      _proto._getOffsetHeight = function _getOffsetHeight() {
+        return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
+      };
+
+      _proto._process = function _process() {
+        var scrollTop = this._getScrollTop() + this._config.offset;
+
+        var scrollHeight = this._getScrollHeight();
+
+        var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
+
+        if (this._scrollHeight !== scrollHeight) {
+          this.refresh();
+        }
+
+        if (scrollTop >= maxScroll) {
+          var target = this._targets[this._targets.length - 1];
+
+          if (this._activeTarget !== target) {
+            this._activate(target);
+          }
+
+          return;
+        }
+
+        if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
+          this._activeTarget = null;
+
+          this._clear();
+
+          return;
+        }
+
+        var offsetLength = this._offsets.length;
+
+        for (var i = offsetLength; i--;) {
+          var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);
+
+          if (isActiveTarget) {
+            this._activate(this._targets[i]);
+          }
+        }
+      };
+
+      _proto._activate = function _activate(target) {
+        this._activeTarget = target;
+
+        this._clear();
+
+        var queries = this._selector.split(','); // eslint-disable-next-line arrow-body-style
+
+
+        queries = queries.map(function (selector) {
+          return selector + "[data-target=\"" + target + "\"]," + (selector + "[href=\"" + target + "\"]");
+        });
+        var $link = $$$1([].slice.call(document.querySelectorAll(queries.join(','))));
+
+        if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+          $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+          $link.addClass(ClassName.ACTIVE);
+        } else {
+          // Set triggered link as active
+          $link.addClass(ClassName.ACTIVE); // Set triggered links parents as active
+          // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+
+          $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ", " + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE); // Handle special case when .nav-link is inside .nav-item
+
+          $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_ITEMS).children(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
+        }
+
+        $$$1(this._scrollElement).trigger(Event.ACTIVATE, {
+          relatedTarget: target
+        });
+      };
+
+      _proto._clear = function _clear() {
+        var nodes = [].slice.call(document.querySelectorAll(this._selector));
+        $$$1(nodes).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
+      }; // Static
+
+
+      ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $$$1(this).data(DATA_KEY);
+
+          var _config = typeof config === 'object' && config;
+
+          if (!data) {
+            data = new ScrollSpy(this, _config);
+            $$$1(this).data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new TypeError("No method named \"" + config + "\"");
+            }
+
+            data[config]();
+          }
+        });
+      };
+
+      _createClass(ScrollSpy, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }, {
+        key: "Default",
+        get: function get() {
+          return Default;
+        }
+      }]);
+
+      return ScrollSpy;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1(window).on(Event.LOAD_DATA_API, function () {
+      var scrollSpys = [].slice.call(document.querySelectorAll(Selector.DATA_SPY));
+      var scrollSpysLength = scrollSpys.length;
+
+      for (var i = scrollSpysLength; i--;) {
+        var $spy = $$$1(scrollSpys[i]);
+
+        ScrollSpy._jQueryInterface.call($spy, $spy.data());
+      }
+    });
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+    $$$1.fn[NAME] = ScrollSpy._jQueryInterface;
+    $$$1.fn[NAME].Constructor = ScrollSpy;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return ScrollSpy._jQueryInterface;
+    };
+
+    return ScrollSpy;
+  }($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): tab.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  var Tab = function ($$$1) {
+    /**
+     * ------------------------------------------------------------------------
+     * Constants
+     * ------------------------------------------------------------------------
+     */
+    var NAME = 'tab';
+    var VERSION = '4.1.3';
+    var DATA_KEY = 'bs.tab';
+    var EVENT_KEY = "." + DATA_KEY;
+    var DATA_API_KEY = '.data-api';
+    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
+    var Event = {
+      HIDE: "hide" + EVENT_KEY,
+      HIDDEN: "hidden" + EVENT_KEY,
+      SHOW: "show" + EVENT_KEY,
+      SHOWN: "shown" + EVENT_KEY,
+      CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
+    };
+    var ClassName = {
+      DROPDOWN_MENU: 'dropdown-menu',
+      ACTIVE: 'active',
+      DISABLED: 'disabled',
+      FADE: 'fade',
+      SHOW: 'show'
+    };
+    var Selector = {
+      DROPDOWN: '.dropdown',
+      NAV_LIST_GROUP: '.nav, .list-group',
+      ACTIVE: '.active',
+      ACTIVE_UL: '> li > .active',
+      DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
+      DROPDOWN_TOGGLE: '.dropdown-toggle',
+      DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
+      /**
+       * ------------------------------------------------------------------------
+       * Class Definition
+       * ------------------------------------------------------------------------
+       */
+
+    };
+
+    var Tab =
+    /*#__PURE__*/
+    function () {
+      function Tab(element) {
+        this._element = element;
+      } // Getters
+
+
+      var _proto = Tab.prototype;
+
+      // Public
+      _proto.show = function show() {
+        var _this = this;
+
+        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $$$1(this._element).hasClass(ClassName.ACTIVE) || $$$1(this._element).hasClass(ClassName.DISABLED)) {
+          return;
+        }
+
+        var target;
+        var previous;
+        var listElement = $$$1(this._element).closest(Selector.NAV_LIST_GROUP)[0];
+        var selector = Util.getSelectorFromElement(this._element);
+
+        if (listElement) {
+          var itemSelector = listElement.nodeName === 'UL' ? Selector.ACTIVE_UL : Selector.ACTIVE;
+          previous = $$$1.makeArray($$$1(listElement).find(itemSelector));
+          previous = previous[previous.length - 1];
+        }
+
+        var hideEvent = $$$1.Event(Event.HIDE, {
+          relatedTarget: this._element
+        });
+        var showEvent = $$$1.Event(Event.SHOW, {
+          relatedTarget: previous
+        });
+
+        if (previous) {
+          $$$1(previous).trigger(hideEvent);
+        }
+
+        $$$1(this._element).trigger(showEvent);
+
+        if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) {
+          return;
+        }
+
+        if (selector) {
+          target = document.querySelector(selector);
+        }
+
+        this._activate(this._element, listElement);
+
+        var complete = function complete() {
+          var hiddenEvent = $$$1.Event(Event.HIDDEN, {
+            relatedTarget: _this._element
+          });
+          var shownEvent = $$$1.Event(Event.SHOWN, {
+            relatedTarget: previous
+          });
+          $$$1(previous).trigger(hiddenEvent);
+          $$$1(_this._element).trigger(shownEvent);
+        };
+
+        if (target) {
+          this._activate(target, target.parentNode, complete);
+        } else {
+          complete();
+        }
+      };
+
+      _proto.dispose = function dispose() {
+        $$$1.removeData(this._element, DATA_KEY);
+        this._element = null;
+      }; // Private
+
+
+      _proto._activate = function _activate(element, container, callback) {
+        var _this2 = this;
+
+        var activeElements;
+
+        if (container.nodeName === 'UL') {
+          activeElements = $$$1(container).find(Selector.ACTIVE_UL);
+        } else {
+          activeElements = $$$1(container).children(Selector.ACTIVE);
+        }
+
+        var active = activeElements[0];
+        var isTransitioning = callback && active && $$$1(active).hasClass(ClassName.FADE);
+
+        var complete = function complete() {
+          return _this2._transitionComplete(element, active, callback);
+        };
+
+        if (active && isTransitioning) {
+          var transitionDuration = Util.getTransitionDurationFromElement(active);
+          $$$1(active).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
+        } else {
+          complete();
+        }
+      };
+
+      _proto._transitionComplete = function _transitionComplete(element, active, callback) {
+        if (active) {
+          $$$1(active).removeClass(ClassName.SHOW + " " + ClassName.ACTIVE);
+          var dropdownChild = $$$1(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+
+          if (dropdownChild) {
+            $$$1(dropdownChild).removeClass(ClassName.ACTIVE);
+          }
+
+          if (active.getAttribute('role') === 'tab') {
+            active.setAttribute('aria-selected', false);
+          }
+        }
+
+        $$$1(element).addClass(ClassName.ACTIVE);
+
+        if (element.getAttribute('role') === 'tab') {
+          element.setAttribute('aria-selected', true);
+        }
+
+        Util.reflow(element);
+        $$$1(element).addClass(ClassName.SHOW);
+
+        if (element.parentNode && $$$1(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
+          var dropdownElement = $$$1(element).closest(Selector.DROPDOWN)[0];
+
+          if (dropdownElement) {
+            var dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(Selector.DROPDOWN_TOGGLE));
+            $$$1(dropdownToggleList).addClass(ClassName.ACTIVE);
+          }
+
+          element.setAttribute('aria-expanded', true);
+        }
+
+        if (callback) {
+          callback();
+        }
+      }; // Static
+
+
+      Tab._jQueryInterface = function _jQueryInterface(config) {
+        return this.each(function () {
+          var $this = $$$1(this);
+          var data = $this.data(DATA_KEY);
+
+          if (!data) {
+            data = new Tab(this);
+            $this.data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new TypeError("No method named \"" + config + "\"");
+            }
+
+            data[config]();
+          }
+        });
+      };
+
+      _createClass(Tab, null, [{
+        key: "VERSION",
+        get: function get() {
+          return VERSION;
+        }
+      }]);
+
+      return Tab;
+    }();
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+
+    $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+      event.preventDefault();
+
+      Tab._jQueryInterface.call($$$1(this), 'show');
+    });
+    /**
+     * ------------------------------------------------------------------------
+     * jQuery
+     * ------------------------------------------------------------------------
+     */
+
+    $$$1.fn[NAME] = Tab._jQueryInterface;
+    $$$1.fn[NAME].Constructor = Tab;
+
+    $$$1.fn[NAME].noConflict = function () {
+      $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
+      return Tab._jQueryInterface;
+    };
+
+    return Tab;
+  }($);
+
+  /**
+   * --------------------------------------------------------------------------
+   * Bootstrap (v4.1.3): index.js
+   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+   * --------------------------------------------------------------------------
+   */
+
+  (function ($$$1) {
+    if (typeof $$$1 === 'undefined') {
+      throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
+    }
+
+    var version = $$$1.fn.jquery.split(' ')[0].split('.');
+    var minMajor = 1;
+    var ltMajor = 2;
+    var minMinor = 9;
+    var minPatch = 1;
+    var maxMajor = 4;
+
+    if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+      throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
+    }
+  })($);
+
+  exports.Util = Util;
+  exports.Alert = Alert;
+  exports.Button = Button;
+  exports.Carousel = Carousel;
+  exports.Collapse = Collapse;
+  exports.Dropdown = Dropdown;
+  exports.Modal = Modal;
+  exports.Popover = Popover;
+  exports.Scrollspy = ScrollSpy;
+  exports.Tab = Tab;
+  exports.Tooltip = Tooltip;
+
+  Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+//# sourceMappingURL=bootstrap.bundle.js.map
+
+/*!
+ * Daemonite Material v4.1.1 (http://daemonite.github.io/material/)
+ * Copyright 2011-2018 Daemon Pty Ltd
+ * Licensed under MIT (https://github.com/Daemonite/material/blob/master/LICENSE)
+ */
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("jquery")):"function"==typeof define&&define.amd?define(["exports","jquery"],t):t(e.material={},e.jQuery)}(this,function(e,i){"use strict";i=i&&i.hasOwnProperty("default")?i.default:i;var n,t,o,r,a,s,c,l,d,u,h,f,p,m,g,y,v,b,_,k,S=(r="show-predecessor",a="hide"+(t=".bs.collapse"),s=(o="show")+t,c=".expansion-panel",l=".expansion-panel .collapse",void(n=i)(document).on(""+a,l,function(){var e=n(this).closest(c);e.removeClass(o);var t=e.prev(c);t.length&&t.removeClass(r)}).on(""+s,l,function(){var e=n(this).closest(c);e.addClass(o);var t=e.prev(c);t.length&&t.addClass(r)})),w=(h="."+(u="md.floatinglabel"),f="floatinglabel",p=(d=i).fn[f],m="is-focused",g="has-value",y="change"+h,v="focusin"+h,b="focusout"+h,_={DATA_PARENT:".floating-label",DATA_TOGGLE:".floating-label .custom-select, .floating-label .form-control"},k=function(){function i(e){this._element=e,this._parent=d(e).closest(_.DATA_PARENT)[0]}var 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+/*!
+   * pickadate.js v3.5.6, 2015/04/20
+   * By Amsul, http://amsul.ca
+   * Hosted on http://amsul.github.io/pickadate.js
+   * Licensed under MIT
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+/**
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+ *
+ * Helps with accessibility for keyboard only users.
+ *
+ * Learn more: https://git.io/vWdr2
+ */
+( function() {
+	var isWebkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1,
+	    isOpera  = navigator.userAgent.toLowerCase().indexOf( 'opera' )  > -1,
+	    isIe     = navigator.userAgent.toLowerCase().indexOf( 'msie' )   > -1;
+
+	if ( ( isWebkit || isOpera || isIe ) && document.getElementById && window.addEventListener ) {
+		window.addEventListener( 'hashchange', function() {
+			var id = location.hash.substring( 1 ),
+				element;
+
+			if ( ! ( /^[A-z0-9_-]+$/.test( id ) ) ) {
+				return;
+			}
+
+			element = document.getElementById( id );
+
+			if ( element ) {
+				if ( ! ( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) {
+					element.tabIndex = -1;
+				}
+
+				element.focus();
+			}
+		}, false );
+	}
+})();
+
+jQuery(window).load(function () {
+     jQuery(window).scroll(function () {
+            if (jQuery(this).scrollTop() > 50) {
+                jQuery('#back-to-top').fadeIn();
+		jQuery('#back-to-top').tooltip();
+            } else {
+                jQuery('#back-to-top').fadeOut();
+            }
+        });
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+        jQuery('#back-to-top').click(function () {
+            jQuery('#back-to-top').tooltip('hide');
+            jQuery('body,html').animate({
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+            }, 'slow');
+            return false;
+        });
+        
+	if ( jQuery('#back-to-top').is(":visible") ) {
+        	jQuery('#back-to-top').tooltip('show');
+	}
+});
+/*
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+
+};
+*/
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new file mode 100644
index 0000000..9438579
--- /dev/null
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e.reduce(function(e,t){return""===e[e.length-1]&&-1!==["+","-"].indexOf(t)?(e[e.length-1]=t,i=!0,e):i?(e[e.length-1]+=t,i=!1,e):e.concat(t)},[]).map(function(e){return function(e,t,n,i){var o=e.match(/((?:\-|\+)?\d*\.?\d*)(.*)/),r=+o[1],a=o[2];if(!r)return e;if(0!==a.indexOf("%"))return"vh"!==a&&"vw"!==a?r:("vh"===a?Math.max(document.documentElement.clientHeight,window.innerHeight||0):Math.max(document.documentElement.clientWidth,window.innerWidth||0))/100*r;var s=void 0;switch(a){case"%p":s=n;break;case"%":case"%r":default:s=i}return Je(s)[t]/100*r}(e,n,o,r)})})).forEach(function(n,i){n.forEach(function(e,t){ht(e)&&(a[i]+=e*("-"===n[t-1]?-1:1))})}),a}var wt={placement:"bottom",positionFixed:!1,eventsEnabled:!0,removeOnDestroy:!1,onCreate:function(){},onUpdate:function(){},modifiers:{shift:{order:100,enabled:!0,fn:function(e){var t=e.placement,n=t.split("-")[0],i=t.split("-")[1];if(i){var o=e.offsets,r=o.reference,a=o.popper,s=-1!==["bottom","top"].indexOf(n),l=s?"left":"top",c=s?"width":"height",u={start:Ye({},l,r[l]),end:Ye({},l,r[l]+r[c]-a[c])};e.offsets.popper=Ve({},a,u[i])}return e}},offset:{order:200,enabled:!0,fn:function(e,t){var n=t.offset,i=e.placement,o=e.offsets,r=o.popper,a=o.reference,s=i.split("-")[0],l=void 0;return l=ht(+n)?[+n,0]:Et(n,r,a,s),"left"===s?(r.top+=l[0],r.left-=l[1]):"right"===s?(r.top+=l[0],r.left+=l[1]):"top"===s?(r.left+=l[0],r.top-=l[1]):"bottom"===s&&(r.left+=l[0],r.top+=l[1]),e.popper=r,e},offset:0},preventOverflow:{order:300,enabled:!0,fn:function(e,i){var t=i.boundariesElement||Re(e.instance.popper);e.instance.reference===t&&(t=Re(t));var n=lt("transform"),o=e.instance.popper.style,r=o.top,a=o.left,s=o[n];o.top="",o.left="",o[n]="";var l=Xe(e.instance.popper,e.instance.reference,i.padding,t,e.positionFixed);o.top=r,o.left=a,o[n]=s,i.boundaries=l;var c=i.priority,u=e.offsets.popper,d={primary:function(e){var t=u[e];return u[e]<l[e]&&!i.escapeWithReference&&(t=Math.max(u[e],l[e])),Ye({},e,t)},secondary:function(e){var t="right"===e?"left":"top",n=u[t];return u[e]>l[e]&&!i.escapeWithReference&&(n=Math.min(u[t],l[e]-("right"===e?u.width:u.height))),Ye({},t,n)}};return c.forEach(function(e){var t=-1!==["left","top"].indexOf(e)?"primary":"secondary";u=Ve({},u,d[t](e))}),e.offsets.popper=u,e},priority:["left","right","top","bottom"],padding:5,boundariesElement:"scrollParent"},keepTogether:{order:400,enabled:!0,fn:function(e){var t=e.offsets,n=t.popper,i=t.reference,o=e.placement.split("-")[0],r=Math.floor,a=-1!==["top","bottom"].indexOf(o),s=a?"right":"bottom",l=a?"left":"top",c=a?"width":"height";return n[s]<r(i[l])&&(e.offsets.popper[l]=r(i[l])-n[c]),n[l]>r(i[s])&&(e.offsets.popper[l]=r(i[s])),e}},arrow:{order:500,enabled:!0,fn:function(e,t){var n;if(!pt(e.instance.modifiers,"arrow","keepTogether"))return e;var i=t.element;if("string"==typeof i){if(!(i=e.instance.popper.querySelector(i)))return e}else if(!e.instance.popper.contains(i))return console.warn("WARNING: `arrow.element` must be child of its popper element!"),e;var o=e.placement.split("-")[0],r=e.offsets,a=r.popper,s=r.reference,l=-1!==["left","right"].indexOf(o),c=l?"height":"width",u=l?"Top":"Left",d=u.toLowerCase(),h=l?"left":"top",f=l?"bottom":"right",p=nt(i)[c];s[f]-p<a[d]&&(e.offsets.popper[d]-=a[d]-(s[f]-p)),s[d]+p>a[f]&&(e.offsets.popper[d]+=s[d]+p-a[f]),e.offsets.popper=Je(e.offsets.popper);var m=s[d]+s[c]/2-p/2,g=Pe(e.instance.popper),_=parseFloat(g["margin"+u],10),v=parseFloat(g["border"+u+"Width"],10),y=m-e.offsets.popper[d]-_-v;return y=Math.max(Math.min(a[c]-p,y),0),e.arrowElement=i,e.offsets.arrow=(Ye(n={},d,Math.round(y)),Ye(n,h,""),n),e},element:"[x-arrow]"},flip:{order:600,enabled:!0,fn:function(p,m){if(st(p.instance.modifiers,"inner"))return p;if(p.flipped&&p.placement===p.originalPlacement)return p;var g=Xe(p.instance.popper,p.instance.reference,m.padding,m.boundariesElement,p.positionFixed),_=p.placement.split("-")[0],v=it(_),y=p.placement.split("-")[1]||"",b=[];switch(m.behavior){case vt:b=[_,v];break;case yt:b=_t(_);break;case bt:b=_t(_,!0);break;default:b=m.behavior}return b.forEach(function(e,t){if(_!==e||b.length===t+1)return p;_=p.placement.split("-")[0],v=it(_);var n,i=p.offsets.popper,o=p.offsets.reference,r=Math.floor,a="left"===_&&r(i.right)>r(o.left)||"right"===_&&r(i.left)<r(o.right)||"top"===_&&r(i.bottom)>r(o.top)||"bottom"===_&&r(i.top)<r(o.bottom),s=r(i.left)<r(g.left),l=r(i.right)>r(g.right),c=r(i.top)<r(g.top),u=r(i.bottom)>r(g.bottom),d="left"===_&&s||"right"===_&&l||"top"===_&&c||"bottom"===_&&u,h=-1!==["top","bottom"].indexOf(_),f=!!m.flipVariations&&(h&&"start"===y&&s||h&&"end"===y&&l||!h&&"start"===y&&c||!h&&"end"===y&&u);(a||d||f)&&(p.flipped=!0,(a||d)&&(_=b[t+1]),f&&(y="end"===(n=y)?"start":"start"===n?"end":n),p.placement=_+(y?"-"+y:""),p.offsets.popper=Ve({},p.offsets.popper,ot(p.instance.popper,p.offsets.reference,p.placement)),p=at(p.instance.modifiers,p,"flip"))}),p},behavior:"flip",padding:5,boundariesElement:"viewport"},inner:{order:700,enabled:!1,fn:function(e){var t=e.placement,n=t.split("-")[0],i=e.offsets,o=i.popper,r=i.reference,a=-1!==["left","right"].indexOf(n),s=-1===["top","left"].indexOf(n);return o[a?"left":"top"]=r[n]-(s?o[a?"width":"height"]:0),e.placement=it(t),e.offsets.popper=Je(o),e}},hide:{order:800,enabled:!0,fn:function(e){if(!pt(e.instance.modifiers,"hide","preventOverflow"))return e;var t=e.offsets.reference,n=rt(e.instance.modifiers,function(e){return"preventOverflow"===e.name}).boundaries;if(t.bottom<n.top||t.left>n.right||t.top>n.bottom||t.right<n.left){if(!0===e.hide)return e;e.hide=!0,e.attributes["x-out-of-boundaries"]=""}else{if(!1===e.hide)return e;e.hide=!1,e.attributes["x-out-of-boundaries"]=!1}return e}},computeStyle:{order:850,enabled:!0,fn:function(e,t){var n=t.x,i=t.y,o=e.offsets.popper,r=rt(e.instance.modifiers,function(e){return"applyStyle"===e.name}).gpuAcceleration;void 0!==r&&console.warn("WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!");var a=void 0!==r?r:t.gpuAcceleration,s=ze(Re(e.instance.popper)),l={position:o.position},c={left:Math.floor(o.left),top:Math.round(o.top),bottom:Math.round(o.bottom),right:Math.floor(o.right)},u="bottom"===n?"top":"bottom",d="right"===i?"left":"right",h=lt("transform"),f=void 0,p=void 0;if(p="bottom"===u?-s.height+c.bottom:c.top,f="right"===d?-s.width+c.right:c.left,a&&h)l[h]="translate3d("+f+"px, "+p+"px, 0)",l[u]=0,l[d]=0,l.willChange="transform";else{var m="bottom"===u?-1:1,g="right"===d?-1:1;l[u]=p*m,l[d]=f*g,l.willChange=u+", "+d}var _={"x-placement":e.placement};return e.attributes=Ve({},_,e.attributes),e.styles=Ve({},l,e.styles),e.arrowStyles=Ve({},e.offsets.arrow,e.arrowStyles),e},gpuAcceleration:!0,x:"bottom",y:"right"},applyStyle:{order:900,enabled:!0,fn:function(e){var t,n;return ft(e.instance.popper,e.styles),t=e.instance.popper,n=e.attributes,Object.keys(n).forEach(function(e){!1!==n[e]?t.setAttribute(e,n[e]):t.removeAttribute(e)}),e.arrowElement&&Object.keys(e.arrowStyles).length&&ft(e.arrowElement,e.arrowStyles),e},onLoad:function(e,t,n,i,o){var r=tt(o,t,e,n.positionFixed),a=et(n.placement,r,t,e,n.modifiers.flip.boundariesElement,n.modifiers.flip.padding);return t.setAttribute("x-placement",a),ft(t,{position:n.positionFixed?"fixed":"absolute"}),n},gpuAcceleration:void 0}}},St=function(){function r(e,t){var n=this,i=2<arguments.length&&void 0!==arguments[2]?arguments[2]:{};!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,r),this.scheduleUpdate=function(){return requestAnimationFrame(n.update)},this.update=Ne(this.update.bind(this)),this.options=Ve({},r.Defaults,i),this.state={isDestroyed:!1,isCreated:!1,scrollParents:[]},this.reference=e&&e.jquery?e[0]:e,this.popper=t&&t.jquery?t[0]:t,this.options.modifiers={},Object.keys(Ve({},r.Defaults.modifiers,i.modifiers)).forEach(function(e){n.options.modifiers[e]=Ve({},r.Defaults.modifiers[e]||{},i.modifiers?i.modifiers[e]:{})}),this.modifiers=Object.keys(this.options.modifiers).map(function(e){return Ve({name:e},n.options.modifiers[e])}).sort(function(e,t){return e.order-t.order}),this.modifiers.forEach(function(e){e.enabled&&xe(e.onLoad)&&e.onLoad(n.reference,n.popper,n.options,e,n.state)}),this.update();var o=this.options.eventsEnabled;o&&this.enableEventListeners(),this.state.eventsEnabled=o}return Ke(r,[{key:"update",value:function(){return function(){if(!this.state.isDestroyed){var e={instance:this,styles:{},arrowStyles:{},attributes:{},flipped:!1,offsets:{}};e.offsets.reference=tt(this.state,this.popper,this.reference,this.options.positionFixed),e.placement=et(this.options.placement,e.offsets.reference,this.popper,this.reference,this.options.modifiers.flip.boundariesElement,this.options.modifiers.flip.padding),e.originalPlacement=e.placement,e.positionFixed=this.options.positionFixed,e.offsets.popper=ot(this.popper,e.offsets.reference,e.placement),e.offsets.popper.position=this.options.positionFixed?"fixed":"absolute",e=at(this.modifiers,e),this.state.isCreated?this.options.onUpdate(e):(this.state.isCreated=!0,this.options.onCreate(e))}}.call(this)}},{key:"destroy",value:function(){return function(){return this.state.isDestroyed=!0,st(this.modifiers,"applyStyle")&&(this.popper.removeAttribute("x-placement"),this.popper.style.position="",this.popper.style.top="",this.popper.style.left="",this.popper.style.right="",this.popper.style.bottom="",this.popper.style.willChange="",this.popper.style[lt("transform")]=""),this.disableEventListeners(),this.options.removeOnDestroy&&this.popper.parentNode.removeChild(this.popper),this}.call(this)}},{key:"enableEventListeners",value:function(){return function(){this.state.eventsEnabled||(this.state=ut(this.reference,this.options,this.state,this.scheduleUpdate))}.call(this)}},{key:"disableEventListeners",value:function(){return dt.call(this)}}]),r}();St.Utils=("undefined"!=typeof window?window:global).PopperUtils,St.placements=mt,St.Defaults=wt;var Ct,kt,Tt,Dt,It,At,Ot,Nt,xt,Pt,jt,Mt,Lt,Ft,Ht,Rt,Wt,Ut,Bt,Qt,qt,$t,Kt,Yt,Vt,Jt,zt,Gt,Zt,Xt,en,tn,nn,on,rn,an,sn,ln,cn,un,dn,hn,fn,pn,mn,gn,_n,vn,yn,bn,En,wn,Sn,Cn,kn,Tn,Dn,In,An,On,Nn,xn,Pn,jn,Mn,Ln,Fn,Hn,Rn,Wn,Un,Bn,Qn,qn,$n,Kn,Yn,Vn,Jn,zn,Gn,Zn,Xn,ei,ti,ni,ii,oi,ri,ai,si,li,ci,ui,di,hi,fi,pi,mi,gi,_i,vi,yi,bi,Ei,wi,Si,Ci,ki,Ti,Di,Ii,Ai,Oi,Ni,xi,Pi,ji,Mi,Li,Fi,Hi,Ri,Wi,Ui,Bi=(kt="dropdown",Dt="."+(Tt="bs.dropdown"),It=".data-api",At=(Ct=t).fn[kt],Ot=new RegExp("38|40|27"),Nt={HIDE:"hide"+Dt,HIDDEN:"hidden"+Dt,SHOW:"show"+Dt,SHOWN:"shown"+Dt,CLICK:"click"+Dt,CLICK_DATA_API:"click"+Dt+It,KEYDOWN_DATA_API:"keydown"+Dt+It,KEYUP_DATA_API:"keyup"+Dt+It},xt="disabled",Pt="show",jt="dropup",Mt="dropright",Lt="dropleft",Ft="dropdown-menu-right",Ht="position-static",Rt='[data-toggle="dropdown"]',Wt=".dropdown form",Ut=".dropdown-menu",Bt=".navbar-nav",Qt=".dropdown-menu 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o=this._element;"parent"===this._config.reference?o=e:we.isElement(this._config.reference)&&(o=this._config.reference,void 0!==this._config.reference.jquery&&(o=this._config.reference[0])),"scrollParent"!==this._config.boundary&&Ct(e).addClass(Ht),this._popper=new St(o,this._menu,this._getPopperConfig())}"ontouchstart"in document.documentElement&&0===Ct(e).closest(Bt).length&&Ct(document.body).children().on("mouseover",null,Ct.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),Ct(this._menu).toggleClass(Pt),Ct(e).toggleClass(Pt).trigger(Ct.Event(Nt.SHOWN,n))}}}},e.dispose=function(){Ct.removeData(this._element,Tt),Ct(this._element).off(Dt),this._element=null,(this._menu=null)!==this._popper&&(this._popper.destroy(),this._popper=null)},e.update=function(){this._inNavbar=this._detectNavbar(),null!==this._popper&&this._popper.scheduleUpdate()},e._addEventListeners=function(){var t=this;Ct(this._element).on(Nt.CLICK,function(e){e.preventDefault(),e.stopPropagation(),t.toggle()})},e._getConfig=function(e){return e=l({},this.constructor.Default,Ct(this._element).data(),e),we.typeCheckConfig(kt,e,this.constructor.DefaultType),e},e._getMenuElement=function(){if(!this._menu){var e=c._getParentFromElement(this._element);e&&(this._menu=e.querySelector(Ut))}return this._menu},e._getPlacement=function(){var e=Ct(this._element.parentNode),t=Kt;return e.hasClass(jt)?(t=qt,Ct(this._menu).hasClass(Ft)&&(t=$t)):e.hasClass(Mt)?t=Vt:e.hasClass(Lt)?t=Jt:Ct(this._menu).hasClass(Ft)&&(t=Yt),t},e._detectNavbar=function(){return 0<Ct(this._element).closest(".navbar").length},e._getPopperConfig=function(){var t=this,e={};"function"==typeof this._config.offset?e.fn=function(e){return e.offsets=l({},e.offsets,t._config.offset(e.offsets)||{}),e}:e.offset=this._config.offset;var n={placement:this._getPlacement(),modifiers:{offset:e,flip:{enabled:this._config.flip},preventOverflow:{boundariesElement:this._config.boundary}}};return"static"===this._config.display&&(n.modifiers.applyStyle={enabled:!1}),n},c._jQueryInterface=function(t){return this.each(function(){var e=Ct(this).data(Tt);if(e||(e=new c(this,"object"==typeof t?t:null),Ct(this).data(Tt,e)),"string"==typeof t){if(void 0===e[t])throw new TypeError('No method named "'+t+'"');e[t]()}})},c._clearMenus=function(e){if(!e||3!==e.which&&("keyup"!==e.type||9===e.which))for(var t=[].slice.call(document.querySelectorAll(Rt)),n=0,i=t.length;n<i;n++){var o=c._getParentFromElement(t[n]),r=Ct(t[n]).data(Tt),a={relatedTarget:t[n]};if(e&&"click"===e.type&&(a.clickEvent=e),r){var s=r._menu;if(Ct(o).hasClass(Pt)&&!(e&&("click"===e.type&&/input|textarea/i.test(e.target.tagName)||"keyup"===e.type&&9===e.which)&&Ct.contains(o,e.target))){var l=Ct.Event(Nt.HIDE,a);Ct(o).trigger(l),l.isDefaultPrevented()||("ontouchstart"in document.documentElement&&Ct(document.body).children().off("mouseover",null,Ct.noop),t[n].setAttribute("aria-expanded","false"),Ct(s).removeClass(Pt),Ct(o).removeClass(Pt).trigger(Ct.Event(Nt.HIDDEN,a)))}}}},c._getParentFromElement=function(e){var t,n=we.getSelectorFromElement(e);return n&&(t=document.querySelector(n)),t||e.parentNode},c._dataApiKeydownHandler=function(e){if((/input|textarea/i.test(e.target.tagName)?!(32===e.which||27!==e.which&&(40!==e.which&&38!==e.which||Ct(e.target).closest(Ut).length)):Ot.test(e.which))&&(e.preventDefault(),e.stopPropagation(),!this.disabled&&!Ct(this).hasClass(xt))){var t=c._getParentFromElement(this),n=Ct(t).hasClass(Pt);if((n||27===e.which&&32===e.which)&&(!n||27!==e.which&&32!==e.which)){var i=[].slice.call(t.querySelectorAll(Qt));if(0!==i.length){var o=i.indexOf(e.target);38===e.which&&0<o&&o--,40===e.which&&o<i.length-1&&o++,o<0&&(o=0),i[o].focus()}}else{if(27===e.which){var 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