mix-blend-mode-iframe-sibling-ref.html

<!DOCTYPE html>
<html>
    <head>
        <title>CSS Test: an iframe element with mix-blend-mode should blend with a sibling element.</title>
        <link rel="author" title="Mihai Tica" href="mailto:[email protected]">
    </head>
    <body>
        <p>Test passes if you can see a green rectangle. <br>
        If blending is not performed, the canvas is displayed with red. </p>

        <div style="width: 100px; height: 100px; background: #0F0;"></div>
    </body>
</html>

chromium/third_party/blink/web_tests/external/wpt/css/compositing/mix-blend-mode/reference/mix-blend-mode-iframe-sibling-ref.html