html Css柜台

Posted 2021-05-11

ol {
    counter-reset: section;
    list-style-type: none;
}

li::before {
    counter-increment: section;
    content: counters(section,".") " ";
}

<ol>
  <li>item</li>
  <li>item     
    <ol>
      <li>item</li>
      <li>item</li>
      <li>item
        <ol>
          <li>item</li>
          <li>item</li>
          <li>item</li>
        </ol>
      </li>
      <li>item</li>
    </ol>
  </li>
  <li>item</li>
  <li>item</li>
</ol>