chromium/third_party/blink/web_tests/fast/media/mq-width-absolute-01.html

<html>
<head>
<title>CSS3 media query test: Absolute width query (screen and (max-width: 800px)). Using style element, media attribute.</title>
<link rel="help" href="http://www.w3.org/TR/css3-mediaqueries/#width" />
<style type="text/css" media="screen and (max-width: 800px)">
p { color: green }
</style>
</head>
<body>
<p> This text should be green if viewport is at most 800px wide.</p>
<div style="width: 800px; background-color:lightblue;">div of width 800px</div>
</body>
</html>