<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>
CSS Values and Units Test:
Attribute references (pixels)
</title>
<meta name="assert" content="
When the fallback of a pixel attribute reference is invalid, the declaration is ignored.
" />
<link
rel="author"
title="François REMY"
href="mailto:fremycompany.developer@yahoo.fr"
/ >
<link rel="help" href="http://www.w3.org/TR/css3-values/#attr-notation"/>
<link
rel="match"
href="reference/200-200-green.html"
/>
<style type="text/css">
html, body { margin: 0px; padding: 0px; }
html { background: white; overflow: hidden; }
#outer { position: relative; background: green; }
#outer { width: 200px; width: attr(data-test px, 300px); height: 200px; }
</style>
</head>
<body>
<div id="outer" data-test="300"></div>
</body>
</html>