<!DOCTYPE html>
<html>
<head>
<head>
    <title>CSS Reftest Reference</title>
    <link rel="author" title="Dirk Schulze" href="mailto:dschulze@adobe.com">
    <style>
        html, body {
            width: 100%;
            height: 100%;
            margin: 0;
        }
    </style>
</head>
<body>
    <div style="width: 100%; height: 50%; margin-top: 50%; background-color: green; position: absolute;"></div>
    <p style="position: absolute;">The test passes if the top half of the site is white and the bottom half of the site is green.</p>
</body>
</html>