chromium/third_party/blink/web_tests/external/wpt/css/compositing/mix-blend-mode/mix-blend-mode-parent-with-3D-transform.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>CSS Test: mix-blend-mode between an element with 3D transform and its child</title>
        <link rel="author" title="Mirela Budăeș" href="mailto:[email protected]">
        <link rel="author" title="Ion Roșca" href="mailto:[email protected]">
        <link rel="reviewer" title="Mihai Țică" href="mailto:[email protected]">
        <link rel="help" href="https://drafts.fxtf.org/compositing-1/#mix-blend-mode">
        <meta name="assert" content="Test checks that an element with mix-blend-mode blends with its parent having 3D transform">
        <link rel="match" href="reference/mix-blend-mode-parent-with-3D-transform-ref.html">
        <style type="text/css">
            .parent {
                background: aqua;/*rgb(0,255,255);*/
                width: 140px;
                height: 140px;
                padding-top: 1px;
                transform:rotateX(20deg);
            }
            .blended {
                background: fuchsia;/*rgb(255,0,255);*/
                margin-top: 20px;
                margin-left: 20px;
                width: 200px;
                height: 200px;
                mix-blend-mode: difference;
            }
        </style>
    </head>
    <body>
        <p>You should see a fuchsia square overlapping an aqua square. <br>
            The overlapping area should be yellow. </p>
        <div class="parent">
            <div class="blended"></div>
        </div>
    </body>
</html>