JSFiddle - React, Tailwind, and code Playground

by qbel

HTML

<div class="cubic"></div>

CSS

html, body {
    height: 100%;
    margin: 0;
    background-color: #eee;
}
.cubic {
    width: 50%;
    height: 50%;
    background-color: #ccc;
    margin: auto;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}