testing/web-platform/tests/css/compositing/mix-blend-mode/mix-blend-mode-overflowing-child.html


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<!DOCTYPE html>
<html>
    <head>
        <title>CSS Test: blended element overflows parent</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="reviewer" title="Horia Olaru" href="mailto:olaru@adobe.com">
        <link rel="help" href="https://drafts.fxtf.org/compositing-1/#mix-blend-mode">
        <meta name="assert" content="Test checks that an overflowing element with mix-blend-mode blends with the parent element.">
        <link rel="match" href="reference/mix-blend-mode-overflowing-child-ref.html">
        <style type="text/css">
            body {
                background: lightgray;
            }
            .container {
                position: absolute;
                z-index: 1;
                width: 100px;
                height: 100px;
                background: #0F0;
            }
            .blender {
                background: #0F0;
                margin: 50px;
                width: 100px;
                height: 100px;
                mix-blend-mode: difference;
            }
        </style>
    </head>
    <body>
        <p>Test passes if you can see two green squares and a black square as their intersection,<br>
            drawn over a light gray background.</p>
        <div class="container">
            <div class="blender"></div>
        </div>
    </body>
</html>