chromium/third_party/blink/web_tests/external/wpt/css/compositing/mix-blend-mode/mix-blend-mode-stacking-context-001.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>CSS Test: mix-blend-mode between an element and its child</title>
        <link rel="author" title="Mirela Budăeș" href="mailto:[email protected]">
        <link rel="reviewer" title="Mihai Balan" href="mailto:[email protected]">
        <link rel="reviewer" title="Rik Cabanier" href="mailto:[email protected]">
        <link rel="help" href="https://drafts.fxtf.org/compositing-1/#mix-blend-mode">
        <meta name="assert" content="Test checks that the element with mix-blend-mode and opacity blends with the parent element">
        <link rel="match" href="reference/mix-blend-mode-stacking-context-001-ref.html">
        <style>
            .simple{
                background: aqua;/*rgb(0,255,255);*/
                width: 140px;
                height: 140px;
                display:inline-block;
            }
            .mixed {
                opacity: 0.9;
                background: red;/*rgb(255,0,0);*/
                margin-top: 20px;
                margin-left: 20px;
                width: 100px;
                height: 100px;
                mix-blend-mode: multiply;
                }
        </style>
    </head>
    <body>
        <p>Test passes if you see a black rectangle with large aqua borders.
        You should not see a red rectangle on the page. </p>
        <div class="simple">
            <div class="mixed"></div>
        </div>
    </body>
</html>