mask-mode-luminance-with-mask-size.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS Masking: 'mask-mode: luminance' with 'mask-size'</title>
    <link rel="author" title="Antoine Quint" href="mailto:[email protected]">
    <link rel="help" href="https://www.w3.org/TR/css-masking-1/#propdef-mask-mode">
    <link rel="match" href="mask-mode-luminance-with-mask-size-ref.html">
    <meta name="assert" content="Test checks that mask a PNG image referenced by mask-image is correct with 'mask mode: luminance', partial transparency and 'mask-mode'.">
    <style type="text/css">
      div {
        background-color: blue;
        position: absolute;

        width: 100px;
        height: 100px;

        top: 10px;
        left: 10px;

        mask-mode: luminance;
        mask-size: 100px 50px;
        mask-image: url(support/transparent-100x50-blue-100x50.png);
      }

    </style>
  </head>
  <body>
    <div></div>
  </body>
</html>

chromium/third_party/blink/web_tests/external/wpt/css/css-masking/mask-image/mask-mode-luminance-with-mask-size.html