mask-image-4b.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-masking/mask-image/mask-image-4b.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <meta charset="utf-8">

    <title>CSS Masking: mask-image: unresovlable mask url</title>

    <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com">

    <link rel="author" title="Mozilla" href="https://www.mozilla.org">

    <link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-mask-image">

    <link rel="match" href="/css/reference/blank.html">

    <meta name="assert" content="Test checks a mask reference to a none-mask SVG element should be counted as an image layer of transparent black.">

    <svg height="0">

      <clipPath id="clip1">

        <circle cx="50" cy="50" r="25"/>

      </clipPath>

    </svg>

    <style type="text/css">

      div {

        background-color: purple;

        width: 100px;

        height: 100px;

      div.mask-by-reference {

        mask-image: url(#clip1);

    </style>

  </head>

  <body>

    <div class="mask-by-reference"></div>

  </body>

</html>