JSFiddle - React, Tailwind, and code Playground

CSS

body {
   background: #000;
    color: #00FF1F;
    font-family: consolas, monospace;
    font-size: 18px;
    letter-spacing: 2px;
    text-shadow: 0 0 5px #00ff1f;
    word-wrap: break-word;    
}

JavaScript

var body = document.body;
setInterval(function(){
    body.innerText = body.innerText + Math.ceil(Math.random()*10);
}, 10);