JSFiddle - React, Tailwind, and code Playground

by petroveg

HTML

<div class="start"></div>

JavaScript

$('<style>').appendTo($(document.head));

var link = document.styleSheets[document.styleSheets.length - 1];

link.insertRule('.start{width:300px;height:200px;background:#69c;}', link.cssRules.length);
link.insertRule('.test{background:#f60;}', link.cssRules.length);

$(document).on('click', '.start', function () {
	$(this).toggleClass('test');
});