<!DOCTYPE html>
<html>
<head>
    <style>
        .container {
            position: absolute;
            padding: 50px;
            background-color: blue;
            z-index: 0;
        }
        .box {
            height: 100px;
            width: 100px;
            background-color: hsl(270, 60%, 70%);
            border: 1px solid black;
            mix-blend-mode: saturation;
            will-change: transform;
        }
    </style>
    <script>
        if (window.testRunner)
            testRunner.dumpAsText();
    </script>
</head>
<body>
    <p>This test should not assert (but the saturation blend mode may not be applied).
    <div class="container">
        <div class="box"></div>
    </div>
</body>
</html>