chromium/third_party/blink/web_tests/css3/blending/background-blend-mode-background-position-percentage-expected.html

<!-- Blend a background image and a background color specifying background-position in percentage, such as 50% 50% -->
<!DOCTYPE HTML>
<html>
<head>
<style>
div { 
    background-color: #777777;
	background-position: 10% 10%;
	width: 200px;
	height: 200px;
	margin: 10px;
}
</style>
</head>

<body>
    <div></div>
</body>
</html>