chromium/third_party/blink/web_tests/external/wpt/css/css-counter-styles/counter-style-at-rule/redefine-builtin.html

<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Test: redefine builtin</title>
<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org/">
<link rel="help" href="https://drafts.csswg.org/css-counter-styles-3/#the-counter-style-rule">
<link rel="match" href="redefine-builtin-ref.html">
<link rel="stylesheet" href="support/test-common.css">
<style type="text/css">
  @counter-style none {
    system: extends lower-roman;
  }
  @counter-style decimal {
    system: extends upper-roman;
  }
  @counter-style disc {
    system: extends decimal;
  }
  @counter-style hebrew {
    system: extends cjk-decimal;
  }
</style>
<ol>
  <li style="list-style-type: none">foo
  <li style="list-style-type: decimal">bar
  <li style="list-style-type: disc">baz
  <li style="list-style-type: hebrew">
</ol>