JSFiddle - React, Tailwind, and code Playground

by TheoI

HTML

<div class='super-container'>
    <div class='left-column' ></div>
    <div class='right-column' ></div>
</div>

CSS

.super-container {
    background-color: red;
    height: 80px;
    width: 100px;
}

.left-column {
    background-color: blue;
    width: 80%;
    height: 100%;
}

.right-column {
    background-color: yellow;
    width: 20%;
    height: 100%;
}