<!DOCTYPE HTML>
<html>
<head>
    <title>Reference file</title>
    <link rel="author" title="Mitsuteru Sawa" href="mailto:mitsuteru.s@gmail.com">
    <style>
        .test {
            height: 100px;
            width: 250px;
            background-color: green;
        }
    </style>
</head>
<body>
    <p>The test passes if you see a green rectangle and no red.</p>
    <div class="test"></div>
</body>
</html>