JSFiddle - React, Tailwind, and code Playground

HTML

<div id="left"></div>
<div id="center"></div>
<div id="right"></div>
<h4>test </h4>

CSS

html, body, #left, #center, #right{height:100%;}
#left, #right{width:200px; position:absolute;}
#left{top:0; left:0; background-color:red;}
#right{top:0; right:0; background-color:black;}
#center{margin: 0 205px 0 205px; background-color:blue;}