chromium/third_party/blink/web_tests/external/wpt/css/filter-effects/filter-grayscale-004.html

<!doctype html>
<html lang="en">
<!-- Submitted from TestTWF Paris -->
	<head>
		<title>CSS Filter Test: apply a filter to a div with background-color</title>
		<link rel="author" title="Chris Lilley" href="mailto:[email protected]">
		<link rel="help" href="http://www.w3.org/TR/filter-effects-1/#FilterFunction">
		<link rel="match" href="filter-grayscale-ref.html">
		<meta name="assert" content="grayscale syntax (1)">
		<style type="text/css">
			.testzone{
				position: relative;
			}
			.box{
				background-color: blue;
				height: 30px;
				width: 30px;
			}
			.filter{
				filter: grayscale(1);
			}
		</style>
	</head>
	<body>
		<p>The test passes if the little box looks grey.</p>
		<div class="testzone">
			<div class="box filter"></div>
		</div>
	</body>
</html>