<!DOCTYPE html>
<title>CSS Containment: contain:style and &lt;ol&gt; ordinals (li container, ref)</title>
<ol>
  <li value="1">A</li>
  <li value="2">B</li>
  <li value="3">X</li>
  <li value="4">Y</li>
  <li value="5">C</li>
  <li value="6">D</li>
</ol>
