chromium/third_party/blink/web_tests/external/wpt/css/css-backgrounds/background-clip/clip-border-area-background-geometry.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-background-geometry-ref.html">
<meta name="assert" content="The border-area fill respects background i geometry">
<style>
    .test {
        margin: 20px;
        width: 300px;
        height: 200px;
        box-sizing: border-box;
        border: 50px solid transparent;
        background-clip: border-area;
        background-image: url(../resources/stripes-100.png);
        background-size: 100px 100px;
        background-position: 15px 20px;
    }
</style>
</head>
<body>

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

</body>
</html>