JSFiddle - React, Tailwind, and code Playground

by kyllle

HTML

<div class="box"></div>

CSS

.box {
    background: green;
    width: 200px;
    height: 200px;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
}