JSFiddle - React, Tailwind, and code Playground

by Kocsten

HTML

<header>
  <div class="logo"></div>
  <div class="nav">
    <ul>
      <li id="show-nails">
        <a href="">Volume I</a>
        <div class="thumbnail-peekaboo">
  				<img class="thumb" title="Hello everyoone" src="https://lh6.googleusercontent.com/-UH8Tl-EG78c/UUoRYmvOWoI/AAAAAAAAADg/EIT1YomfqBo/s1231/1.jpeg.jpg">
  				<img class="thumb" src="https://lh3.googleusercontent.com/-PcDDGh9C6Uk/UUoRYu8TmGI/AAAAAAAAADk/bVCVnUEott4/s1231/2.jpeg.jpg">
					<img class="thumb" src="https://lh5.googleusercontent.com/-ImESS5vXwTQ/UUoRZtDDdwI/AAAAAAAAAD0/mBlvPxXMuDU/s1231/3.jpeg.jpg">
  				<img class="thumb" src="https://lh3.googleusercontent.com/-a4HykmTjnLw/UUoRZ9AOzNI/AAAAAAAAAD8/bsVqg8naI2o/s1231/4.jpeg.jpg">
  				<img class="thumb" src="https://lh5.googleusercontent.com/-lmIWz4ADxc0/UUoRaFjdNXI/AAAAAAAAAEI/widPZMMiBVM/s1231/5.jpeg.jpg">
  				<img class="thumb" src="https://lh3.googleusercontent.com/-ZbMYEV9F1Bc/UUoRajU3qmI/AAAAAAAAAEE/Y8nB8gecGgU/s1000/6.jpeg.jpg">
  				<img class="thumb" src="https://lh6.googleusercontent.com/-88kTocv470A/UUoRbG0sNgI/AAAAAAAAAEU/XNupHrK1pvE/s1231/7.jpeg.jpg">
  				<img class="thumb" src="https://lh3.googleusercontent.com/-O_0Ce7JxwJo/UUoRbZ6g4HI/AAAAAAAAAEc/O0mmZ0t0U88/s1231/8.jpeg.jpg">
  				<img class="thumb" src="https://lh6.googleusercontent.com/-w7N6XM1WsqY/UUoRbRFPCeI/AAAAAAAAAEg/u3KB5ykIk9g/s1231/9.jpeg.jpg">
  				<img class="thumb" src="https://lh6.googleusercontent.com/-UH8Tl-EG78c/UUoRYmvOWoI/AAAAAAAAADg/EIT1YomfqBo/s1231/1.jpeg.jpg">
  				<img class="thumb" src="https://lh3.googleusercontent.com/-PcDDGh9C6Uk/UUoRYu8TmGI/AAAAAAAAADk/bVCVnUEott4/s1231/2.jpeg.jpg">
					<img class="thumb" src="https://lh5.googleusercontent.com/-ImESS5vXwTQ/UUoRZtDDdwI/AAAAAAAAAD0/mBlvPxXMuDU/s1231/3.jpeg.jpg">
  				<img class="thumb" src="https://lh3.googleusercontent.com/-a4HykmTjnLw/UUoRZ9AOzNI/AAAAAAAAAD8/bsVqg8naI2o/s1231/4.jpeg.jpg">
  				<img class="thumb"...

CSS

* {
margin: 0;
padding: 0;
list-style-type:none;
}
header {
	height:40px;
	width:100%;
	position:fixed;
	background:rgba(0,0,0,0.9);
	z-index:120;
}
header li {
	float: left;
	list-style-type:none;
	border-right: 1px solid #252525;
}
header li a {
	float: left;
	width: 98px;
	height: 12px;
	padding: 14px 7px;
	color: #fff;
	text-decoration: none;
	text-align: center;
	text-transform: uppercase;
	font-weight: 700;
	letter-spacing: 1px;
	font: normal 62.5% "proxima-nova-alt", Helvetica, Arial, sans-serif;
}
header .logo {
	float: left;
	width: 201px;
	height: 40px;
	background:#fde624 url('https://lh4.googleusercontent.com/-JN1IZLtuToI/UUoZnMG3C_I/AAAAAAAAAE8/SEbJ9nqXGnY/s226/sprite.png') no-repeat 16px 1px;
}
#show-nails:hover div.thumbnail-peekaboo {
	display:block;
}
header div.thumbnail-peekaboo {
	display:none;
	height:165px;
	width:3000px;
	top:40px;
	left:0;
	background:#222;
	background-size:100px 100px;
	position:absolute;
}
/*header div.thumbnail-peekaboo:hover {
	-webkit-animation: TMNT 4s ease-in;
	-webkit-animation-fill-mode:backwards;
}*/
.thumb {
	height:140px;
	width:210px;
	top:136px;
	left:12px;
	position:relative;
	background-size:contain;
	box-shadow:-12px 0 0 12px #000;
}
.thumb:last-of-type {
  box-shadow:0 0 0 12px #000;
}
.thumb:after {
  content:attr(title);
  font:normal normal 20pt 'impact';
  position:relative;
}
.thumb:hover {
	-webkit-filter: grayscale(80%);
	-moz-filter: grayscale(80%);
	-ms-filter: grayscale(80%);
	-o-filter: grayscale(80%);
	filter: grayscale(80%);
	filter: url(grayscale.svg#greyscale);
	filter: gray;
}
@-webkit-keyframes TMNT {
	0%  { left: 0px; }
	100% { left: -1200px; }
}
a.prev,a.next {
	height:91px;
	position:absolute;
	width:43px;
	top:50%;
	margin-top:-30px;
	opacity:0.6;
	text-indent:-99999px;
	cursor:pointer;
	-webkit-transition:opacity 200ms ease-out;
}
a.prev:hover,a.next:hover {
	opacity:1;
}
.prev {
	left:0;
	background: #000...