<ol>

Important: Assistive technologies implicitly add the role="list" to the <ol> element, so unless the list is inside some kind of application widget, like a menu, it's best not to combine them with other roles like role="group".

Basic Usage

<ol>
  <li>First item</li>
  <li>Second item
    <ol>
      <li>Sub-item A</li>
      <li>Sub-item B</li>
    </ol>
  </li>
  <li>Third item</li>
</ol>