JSFiddle - React, Tailwind, and code Playground

HTML

<div class="green">Revenge of IE's expression()</div>
    <div class="red">This is red</div>

CSS

div {  
    background: green;
    color:white;
}
.green{float:left;}
.red {
    background: red;
    overflow:hidden;
    margin-right:200px;
}