<ol>
  <li>Saturn</li>
  <li>
    <ul>
      <li>Mimas</li>
      <li>Enceladus</li>
      <li>
        <ol>
          <li>Voyager</li>
          <li>Cassini</li>
        </ol>
      </li>
      <li>Tethys</li>
    </ul>
  </li>
  <li>Uranus</li>
  <li>
    <ol>
      <li>Titania</li>
      <li>Oberon</li>
    </ol>
  </li>
</ol>

ol {
  list-style-type: upper-alpha;
  color: darkblue;
}

/* Not applied to ol, because of lower specificity */
/* stylelint-disable-next-line selector-pseudo-class-no-unknown */
:where(ol, ul, menu:unsupported) :where(ol, ul) {
  color: green;
}

:where(ol, ul) :where(ol, ul) ol {
  list-style-type: lower-greek;
  color: chocolate;
}