JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<div>
</div>

CSS

div {
    height: 400px;
    width: 400px;
    position: absolute;
    border: 3px solid black;
  background: linear-gradient(#ffffff, #ffcccc 30px, #33ff33 100px, #000000);
}