JSFiddle - React, Tailwind, and code Playground

by LCfiddle

HTML

<div class="nav-wrap">
<div class="img-place"></div>
<div class="nav">
<ul>
<li class="ex1">HELLO</li>
<li class="ex2">THERE</li>

<li class="ab1"><a href="#TEST 1" data-target="bg1">TEST 1</a></li>

<li class="ab2"><a href="#TEST 2" data-target="bg2">TEST 2</a></li>

<li class="ab3"><a href="#TEST 3" data-target="bg3">TEST 3</a></li>
</ul>
</div>
</div>

CSS

<style>

li.ex1 {
font-family: 'HelveticaNeue';
position: relative;
display: block;
color: #FFFFFF;
text-decoration: none;
font-size: 74px;
text-transform: uppercase;
font-weight: "Thin";
letter-spacing: 0px;
margin: 0px;
padding: 268px 0px 0px 77px;
transition: all 0.5s ease-in-out;
}

li.ex2 {
font-family: 'HelveticaNeue';
position: relative;
display: block;
color: #FFFFFF;
text-decoration: none;
font-size: 74px;
text-transform: uppercase;
font-weight: "Thin";
letter-spacing: 0px;
margin: 0px;
padding: 0px 0px 0px 70px;
transition: all 0.5s ease-in-out;
}

.nav-wrap{
width: 100%;
height: 770px;
background: #111;
position: relative;
}

.nav-wrap .img-place {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
opacity: 0;
z-index: 5;
}

.nav-wrap .nav li {
font-family: 'HelveticaNeue';
position: relative;
z-index: 6;
list-style: none;
}

.nav-wrap .nav li.ab1 {
display: block;
color: #FFFFFF;
text-decoration: none;
font-size: 48px;
text-transform: uppercase;
font-weight: "Thin";
letter-spacing: 0px;
margin: 0px;
padding: 24px 0px 0px 70px;
transition: all 0.5s ease-in-out;
}

.nav-wrap .nav li.ab2 {
display: block;
color: #FFFFFF;
text-decoration: none;
font-size: 48px;
text-transform: uppercase;
font-weight: "Thin";
letter-spacing: 0px;
margin: 0px;
padding: 0px 0px 0px 70px;
transition: all 0.5s ease-in-out;
}
.nav-wrap .nav li.ab3 {
display: block;
color: #FFFFFF;
text-decoration: none;
font-size: 48px;
text-transform: uppercase;
font-weight: "Thin";
letter-spacing: 0px;
margin: 0px;
padding: 0px 0px 0px 70px;
transition: all 0.5s ease-in-out;
}

.nav-wrap .nav:hover li a {
opacity: 0.3;
}

.nav-wrap .nav li a:hover {
opacity: 1;
padding-left: 95px;
font-weight: 600;
}

.nav-wrap .bg1 {
background-image: url("http://www.photography-match.com/views/images/gallery/Ghandrung_Village_and_Annapurna_South_Nepal_Himalaya.jpg");
background-size: 120%;
opacity: 0.4;

-webkit-animation: fadein 2s forwards;
-moz-animation: fadein 2s forwards;
-ms-animation: fadein...

JavaScript

$('.nav li a').hover(function() {
  $('.img-place').toggleClass($(this).data('target'));
});
$('.nav-wrap .img-place, .nav-wrap').height($(window).height());