css/compositing/mix-blend-mode/mix-blend-mode-simple.html

<!DOCTYPE html>
<html>
    <head>
        <title>CSS Test: An element with mix-blend-mode blends with its parent element.</title>
        <link rel="author" title="Mihai Tica" href="mailto:mitica@adobe.com">
        <link rel="reviewer" title="Mihai Balan" href="mailto:mibalan@adobe.com">
        <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 element.">
        <meta name="fuzzy" content="0-1;0-10">
        <link rel="match" href="reference/green-square.html">
        <style type="text/css">
            div {
                width: 100px;
                height: 100px;
            }
            .parent {
                background: #FF0;
            }
            .child {
                background: #F00;
                mix-blend-mode: difference;
            }
        </style>
    </head>
    <body>
        <p>Test passes if you can see a green square on the screen.</p>
        <div class="parent">
            <div class="child"></div>
        </div>
    </body>
</html>