JSFiddle - React, Tailwind, and code Playground

by BurpmanJunior

HTML

<div id="game-stage"></div>

CSS

body{
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  font-size: 3vmin;
  background: #6d347c;
  background: -moz-radial-gradient(center, ellipse cover, #9e50b2 0%, #6d347c 100%);
  background: -webkit-radial-gradient(center, ellipse cover, #9e50b2 0%,#6d347c 100%);
  background: radial-gradient(ellipse at center, #9e50b2 0%,#6d347c 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9e50b2', endColorstr='#6d347c',GradientType=1 );
  color: #fff;
  overflow: hidden;
}
ul{
  padding: 0;
  margin: 0;
}
ul > li{
  list-style-type: none;
}
*{
  box-sizing: border-box;
}

#game-stage{
  width: 96vmin;
  height: 96vmin;
  margin: 2vmin auto;
  display: table;
}
#game-stage > *{
  display: table-cell;
  vertical-align: middle;
}

.preloader{
  text-align: center;
}
.preloader span{
  margin-top: 2%;
  display: block;
  font-weight: bold;
}

ul#game-grid{
  background-size: cover;
  background-position: center center;
  animation: loadStageElem 500ms;
  transition: opacity 300ms;
  box-shadow: 0 4vmin 8vmin rgba(0, 0, 0, 0.3);
}
ul#game-grid:after{
  content: '';
  display: table;
  clear: both;
}

li[data-pairkey]{
  list-style-type: none;
  position: relative;
  float: left;
  width: 19.2%;
  margin: 0.4%;
  background-size: cover;
  background-position: center center;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  transition: opacity 300ms, visibility 300ms;
}
li[data-pairkey]:after{
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  box-shadow: inset 0 -0.1vmin 0.3vmin rgba(0, 0, 0, 0.3);
}
li[data-pairkey]:before{
  content: '';
  display: block;
  padding-top: 125%;
  background-color: #fff;
  box-shadow: inset 0 -0.2vmin 0.3vmin 0.3vmin rgba(0, 0, 0, 0.05);
  opacity: 1;
  transition: opacity 300ms;
}
li[data-pairkey].tile-flip:before{
  opacity: 0;
}
li[data-pairkey].tile-solved:before{
  opacity: 0;
}
li[data-pairkey].tile-solved{
  cursor: default;
  opacity: 0;
  visibility: hidden;
...

JavaScript

/**
 * Moobie Snap
 */
var _ms = {}

_ms.gameData = {
	tiles: [
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-01-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-01-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-02-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-02-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-03-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-03-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-04-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-04-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-05-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-05-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-06-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-06-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-07-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-07-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-08-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-08-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-09-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-09-2'],
    ['http://iamdanielcarter.com/sites/ms/assets/compressed/tile-10-1', 'http://iamdanielcarter.com/sites/ms/assets/compressed/tile-10-2']
  ],
  
  maps: [
  	{
    	name: 'Map 1',
      image: 'http://iamdanielcarter.com/sites/ms/assets/compressed/map01.jpg'
    },
  	{
    	name: 'Map 2',
      image: 'http://iamdanielcarter.com/sites/ms/assets/compressed/map02.jpg'
    },
  	{
    	name: 'Map 3',
      image: 'http://iamdanielcarter.com/sites/ms/assets/compressed/map03.jpg'
    },
  	{
    	name: 'Map 4',
      image: 'http://iamdanielcarter.com/sites/ms/assets/compressed/map04.jpg'
    },
  	{
    	name: 'Map 5',
      image:...