chromium/third_party/blink/web_tests/external/wpt/css/css-pseudo/marker-variable-ref.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="author" title="Karl Dubost" href="https://github.com/karlcow" />
    <link
      rel="help"
      href="https://drafts.csswg.org/css-pseudo/#marker-pseudo"
    />
    <link
      rel="help"
      href="https://drafts.csswg.org/css-variables/#defining-variables"
    />
    <title>::marker with variables</title>
    <style>
      .firstTest::marker {
        color: rgb(255 119 0 / 0.75);
      }

      .secondTest::marker {
        color: rgb(255 119 0);
      }
    </style>
  </head>
  <body>
    <ul>
      <li class="firstTest">Item 1</li>
      <li class="secondTest">Item 2</li>
    </ul>
  </body>
</html>