JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

body {
    margin: 0;
}
#left {
    width: 50%;
    background: lightblue;
    display: inline-block;
}
#right {
    width: 50%;
    background: orange;
    display: inline-block;
}