JSFiddle - React, Tailwind, and code Playground

by Ben Clayton

HTML

<div class="sqr"></div>

CSS

.sqr {
	margin-top:100px;
	border:1px solid red;
	height:100px;
	width:100px;
}

JavaScript

var h = $(window).height(); 
var w = $(window).width();

$(".sqr").width(w+"px").height(h+"px");