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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<head>
<title>CSS syntax: signed numbers</title>
<link rel="author" title="Bert Bos" href="mailto:bert@w3.org" />
<style type="text/css">
div {background: green; width: 20px; height: 100px}
</style>
</head>
<body>
<p>This should show a tall green bar, and no red.</p>
<div></div>
</body>
</html>