JSFiddle - React, Tailwind, and code Playground

by Muthuraman B

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
<div class="nav">

</div>
<div class="cont">
<h1>Content</h1>
</div>

CSS

body {background:#CCC;}
.nav {float:left;width:30%;}
.cont {float:right;width:calc(100% - 30%);;height:100vh;background:#FFF;}