JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
    </head>
    <body>
    </body>
</html>

CSS

body, canvas, html{margin:0;padding:0;border:0 none;}
canvas{background:Black;}

JavaScript

var canvas = document.createElement("canvas");
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
document.getElementsByTagName("body")[0].appendChild(canvas);