chromium/third_party/blink/web_tests/external/wpt/css/css-backgrounds/background-clip/clip-border-area-multiple-backgrounds.html

<!DOCTYPE html>
<html>
<head>
<title>CSS Backgrounds Test:  background-clip:border-area</title>
<link rel="help" href="https://drafts.csswg.org/css-backgrounds-4/#background-clip">
<link rel="match" href="clip-border-area-multiple-backgrounds-ref.html">
<meta name="assert" content="Multiple backgrounds, some using border-area, are layered correctly.">
<style>
    .test {
        display: inline-block;
        margin: 20px;
        width: 300px;
        height: 200px;
        box-sizing: border-box;
        border: 50px dotted transparent;
        background-clip: border-area, border-box, content-box;
        background-color: red;
        background-image: url(../resources/blue-100.png), url(../resources/green-100.png), none;
    }
</style>
</head>
<body>

<div class="test"></div>

</body>
</html>