JSFiddle - React, Tailwind, and code Playground

by Anton Ayupov

CSS

body:before,
body:after {
    content: "";
    position: absolute;
    top: 0;
}

body:before {
    height: 100px;
    width: 100px;
    left: 0;
    background-color: black;
}

body:after {
    height: 50px;
    width: 50px;
    right: 0;
    background-color: yellow;
}