JSFiddle - React, Tailwind, and code Playground

by PhilQ

HTML

<div>
  <div id="left">
    left
  </div>
  <div id="right">
    right
  </div>
</div>

CSS

#left {
  float:left;
  display: inline-block;
  wwidth:180px;
  background-color:#ff0000;
}
#right {
  width: 100%;
  background-color:#00FF00;
}