chromium/third_party/blink/web_tests/external/wpt/css/css-highlight-api/painting/custom-highlight-painting-021-ref.html

<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Highlight API Test: Highlighting thick text - Reference</title>
<link rel="author" title="Stephen Chenney" href="mailto:[email protected]">
<style>
  body {
    -webkit-text-stroke-width: 3px;
    font-size: 25px;
  }
  span {
    -webkit-text-stroke-width: 0px;
    background-color: green;
  }
</style>
<body>This<span> thick text </span>should not be highlighted</body>