<!DOCTYPE html>
<meta charset="utf-8">
<title>Test reference</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<style>
div {
  margin-left: 60px;
  background: green;
  width: 40px;
  height: 40px;
}
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div></div>