<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS test reference</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<style>
div {
  position: absolute;
  width: 100px;
  height: 5px;
  background: green;
}

</style>
<body>
  <p>Test passes if there is a <strong>horizontal green stripe</strong> below and <strong>no red</strong>.
  <div></div>
</body>