chromium/third_party/blink/web_tests/dark-mode/colors/list-markers.html

<!DOCTYPE html>
<head>
  <style>
    body {
      font-family: Ahem;
      font-size: 40px;
      margin: 10px;
      padding: 10px;
    }
  </style>
</head>
<body>
  <ul>
    <li style="list-style-type: disc;">Disc
    <li style="list-style-type: circle;">Circle
    <li style="list-style-type: square;">Square
  </ul>
</body>