JSFiddle - React, Tailwind, and code Playground

HTML

<div id='left'></div>

<div id='center'></div>

<div id='right'></div>

CSS

#left{ float:left; width:200px; height:400px; border:1px solid #000; }

#center{ float:left; width:auto; height:400px; border:1px solid red; }

#right{ float:right; width:100px; height:400px; border:1px solid blue; }