<!doctype html>
<meta charset="utf-8">
<title>CSS Test Reference</title>
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<style>
div {
  width: 100px;
  height: 100px;
  background: green;
}
</style>
<p>Test passes if you see a green 100px x 100px square, and no red</p>
<div></div>