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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: deprecated system colors</title>
<style>
.ref { background-color: Canvas; width: 12em; height: 12em; }
</style>
<body>
<p>Test passes if you see a square, not two rectangles of different colors; and no red.</p>
<div class="ref"></div>
</body>