JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
 width: 0px;
 height: 0px;
 border-left: 20px solid orange;
 border-right: 20px solid grey;
 border-top: 20px solid lightblue;
 border-bottom: 20px solid lightgreen;
 margin: 10px auto;
}