JSFiddle - React, Tailwind, and code Playground

CSS

body { position:relative; height:100% ; background:#000; overflow:hidden; }
html { height: 100%; }
div { width : 100px; height : 100px; border-radius : 100%; position : absolute; }

JavaScript

var NUM = 2,
            THRESHOLDNUM = 60;

        // returns any random digits you need
        // gets a reasonable random() calling frequency
        var rands = (function(i) {
            var obj = {
                getRandomDigit: function() {
                    if (!(this.rands && this.rands.length > 0)) {
                        this.rands = Math.random().toString().substr(2).split("");
                    }
                    return this.rands.shift();
                },
                getRandomDigits: function(requireNumbers) {
                    var str = "",
                        n = requireNumbers;
                    while (n > 0) {
                        str += this.getRandomDigit();
                        n--;
                    }
                    return str;
                }
            };
            return function(needs) {
                return obj.getRandomDigits(needs);
            };
        })(THRESHOLDNUM);

        // creates enough divs
        var htmls = [];
        for (i = 0; i < NUM; i++) {
            var a = document.createElement("div");
            a.style.backgroundColor = "rgb(" + rands(2) + "%," + rands(2) + "%," + rands(2) + "%)";
            htmls.push(a.outerHTML);
        }
        document.body.innerHTML = htmls.join("");
        var allnodes = document.body.childNodes;

        // transform shim
        var setTransform = (function(){
            var div = document.createElement('div');
            if ( "transform" in document.createElement('div').style ) {
                return function(elem, rule) {
                    elem.style.transform = rule ;
                }
            } else if ( "webkitTransform" in document.createElement('div').style ) {
                return function(elem, rule) {
                    elem.style.webkitTransform = rule ;
                }
            }
        })() ;

        var repaint = function() {
            for (var i = 0; i < NUM; i++) {
               ...