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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>space (reference)</title>
</head>
<body>
<p>Test passes if you see a green square and no red.</p>
<div style="position: relative;">
<div style="position: absolute; top: 0px; left: 0px;
background: green; width: 200px; height: 200px;">
</div>
</div>
</body>
</html>