chromium/third_party/blink/web_tests/external/wpt/css/css-backgrounds/background-clip-root.html

<!DOCTYPE html>
<html>
<!-- Submitted from TestTWF Paris -->

<head>

<title>CSS Backgrounds and Borders Test: background-clip on root</title>
<link rel="author" title="Lea Verou" href="http://lea.verou.me" />
<link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-clip" />
<meta name="flags" content="image" />
<meta name="assert" content="The root element has a different background painting area, and thus the 'background-clip' property has no effect when specified on it." />
<style>

html {
	padding: 20px;
	background: url('support/1x1-green.png'), red;
	background-clip: content-box, border-box;
}

</style>

</head>
<body>

<p>Test passes if there is green and <strong>no red</strong>.</p>

</body>
</html>