custom-highlight-font-metrics-003.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-highlight-api/painting/custom-highlight-font-metrics-003.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="UTF-8">

<title>CSS Highlight API Test: </title>

<link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/">

<link rel="help" href="https://drafts.csswg.org/css-pseudo/#highlight-styling">

<link rel="match" href="custom-highlight-font-metrics-003-ref.html">

<meta name="assert" value="combining a font relative highlight with another highlight">

<meta name="fuzzy" content="0-120;0-8">

<head>

  <style>

    :root {

      font-size: 16px;

    div {

      margin: 40px;

      font-size: 20px;

    ::selection {

      background-color: transparent;

      text-underline-offset: 0.5em;

      text-decoration-line: underline;

      text-decoration-color: green;

      text-decoration-thickness: 0.25rem;

    ::highlight(highlight1) {

      text-decoration-line: overline;

      text-decoration-color: green;

      text-decoration-thickness: 4px;

  </style>

</head>

<body>

  <div id="h1">A green 10px offset underline 4px thick and green overline 4px thick</div>

  <script>

    getSelection().selectAllChildren(h1);

    let r1 = new Range();

    r1.setStart(h1, 0);

    r1.setEnd(h1, 1);

    CSS.highlights.set("highlight1", new Highlight(r1));

  </script>

</body>

</html>