JSFiddle - React, Tailwind, and code Playground

by moob

HTML

<div class="bounds">
    <div class="left">left</div>
    <div class="right">right</div>
</div>

CSS

html, body {margin:0; background-color:#eee;}
.bounds {display:table; width:100%; max-width:1160px; margin:20px auto; border:1px solid red;background-color:white;}
.bounds .left, .bounds .right {display:table-cell;}
.bounds .right {width:307px; background-color:#ee00ee;}