<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Text Reference File</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<style>
div {
  position: relative;
  width: 100px;
  height: 100px;
  background: green;
}
</style>
<body>
  <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>
  <div></div>
</body>