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

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>CSS Test: mix-blend-mode between an element and its child having 3D transform and preserve 3D</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 mix-blend-mode overrides the behavior of transform-style:preserve-3d">
        <meta name="fuzzy" content="0-50;0-300">
        <link rel="match" href="reference/mix-blend-mode-with-transform-and-preserve-3D-ref.html">
        <style type="text/css">
            div {
                height: 150px;
                width: 150px;
            }
            .container {
                position: relative;
                z-index: 1;
                background-color: lime;/*rgb(0,255,0);*/
            }
            .transformed {
                transform-style: preserve-3d;
                transform: rotateY(50deg);
                background-color: aqua;/*rgb(0,255,255);*/
                mix-blend-mode: difference;
            }
            .child {
                transform-origin: top left;
                transform: rotateX(40deg);
                background-color: red;/*rgb(255,0,0);*/
            }
        </style>
    </head>
    <body>
        <p>You should see 2 small rectangles (yellow and blue) drawn inside a lime container.<br>
            The edges for all the rectangles should be either horizontal, or vertical (not skewed).</p>
        <div class="container">
          <div class="transformed">
              <div class="child"></div>
          </div>
        </div>
    </body>
</html>