JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
        
        <div id="arrow4" class="arrow">
            <div class="white">START HERE!</div>
        </div>
    
<div id="main">
         <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="wall"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="wall"></div>
        <div class="way"></div>
        <div class="wall"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="wall"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div class="wall"></div>
        <div class="way"></div>
        <div  class="wall"></div>
        <div class="way"></div>
        <div class="way"></div>
        <div...

CSS

#main {
    position: relative;
    width: 550px;
    height: 550px;
    float: left;
    margin-left: 220px;
    margin-top: 100px;
    background: grey;
    overflow: hidden;
}

body { 
background: #6cc5c3;
 font-family: 'HelveticaNeue-UltraLight', 'Helvetica Neue UltraLight', 'Helvetica Neue', Helvetica, Arial,  sans-serif; font-weight: 100; letter-spacing: 1px;
}

.way {
    width: 50px;
    height: 50px;
   background: #2e8dad;
    float: left;
}
#finish {
     width: 50px;
    height: 50px;
   background: #fff;
    float: left;
}
.wall {

    width: 50px;
    height: 50px;
   background: #fff;
    float: left;
    
}

#wrapper {
    width: 750px;
    margin: 0 auto;
    
}
.arrow {
    margin-top: 150px;
    position: absolute;
    color: #fff;
    font-weight: bold;
    margin-bottom: 5px;
}

#arrow4:after {
    content: '';
    height: 0;
    display: block;
    border-color: transparent transparent transparent #fff;
    border-width: 20px;
    border-style: solid;
    position: absolute;
    top: 0;
    left: 160px;
}

.white {
    height: 20px;
    padding: 10px;
    width: 140px;
    color: #6cc5c3;
    background: #fff;
    text-align: center;
}



#highlight_win {
    width: 550px;
    height: 550px;
    position: absolute;
    top: 50%;
    left: 50%;
    display: none;
    margin: -180px 0 0 -180px;
}

div.smileyface {
	width: 300px;
	height: 300px;
	position: relative;
	border-radius: 150px;
	-webkit-border-radius: 150px;
	-moz-border-radius: 150px;
	display: block;
	background: #ffe632;
	background: -webkit-gradient(linear, left top, left bottom, from(#fffe8d), to(#f6d23e));
	background: -moz-linear-gradient(top,  #fffe8d,  #f6d23e);	
	box-shadow: inset 0px -14px 14px rgba(0, 0, 0, .3), 0px 2px 20px rgba(0, 0, 0, .6);
	-webkit-box-shadow: inset 0px -14px 14px rgba(0, 0, 0, .3), 0px 2px 20px rgba(0, 0, 0, .6);
	-moz-box-shadow: inset 0px -14px 14px rgba(0, 0, 0, .3), 0px 2px 20px rgba(0, 0, 0, .6);
	}
	
p.eyes {
	width: 50px;
	height:...

JavaScript

$(".wall").hover(function() {
  $(this).css("background", '#000');
})

$(".way").bind('mouseenter', function() {
  $('#highlight_lose').fadeIn(1000);
  $('.wall').css("background", '#fff');
})

$('#highlight_lose').bind('mouseleave', function() {
  $(this).fadeOut(1000);  
})

$('#finish').bind('mouseenter', function() {
  $('#highlight_win').fadeIn(1000);
    $('.wall').css("background", '#fff');
})

$('#highlight_win').bind('mouseleave', function() {
  $(this).fadeOut(1000);
    $('.wall').css("background", '#fff');
})