JSFiddle - React, Tailwind, and code Playground

by christianmenz

HTML

<div class="canvas">
    <div class="side"/>
</div>

CSS

.canvas {
    width:250px;
    height:250px;
    background-color:black;
}

.side {
    background-color:blue;
    width:150px;
    height:150px;
}