JSFiddle - React, Tailwind, and code Playground

HTML

<div id="box">

</div>

CSS

body {
  margin: 0px;
  width: 0px;
}

#box {
  height: 500px;
  width: 500px;
  background-color: red;
}

JavaScript

var windowSize = "width=" + window.innerWidth + ",height=" + window.innerHeight + ",left=0px";
window.open('http://www.google.com/', 'popup', windowSize);