<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Values and Units Test Reference File</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<style>
.ref {
    width: 200px;
    height: 200px;
    background: green;
}
</style>
<body>
    <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>
    <div class="ref"></div>
</body>