JSFiddle - React, Tailwind, and code Playground

HTML

<div>test</div>

CSS

div{
    height:1px;
    width:1px;
    border-top:100px solid blue;
    border-bottom:100px solid green;
    border-left:100px solid yellow;
    border-right:100px solid red;
    border-radius:200px;
    background:blue;}