CodePen Embed - 013 Pseudo-elements

<ul>
  <li>床前明月光，</li>
  <li>疑是地上霜，</li>
  <li>举头望明月，</li>
  <li>低头思故乡，</li>
</ul>

<ol>
  <li>床前明月光，</li>
  <li>疑是地上霜，</li>
  <li>举头望明月，</li>
  <li>低头思故乡，</li>
</ol>

<details>
  <summary>这是唐代李白写的一首诗。</summary>
</details>

ul li::marker {
  color: pink;
}

ol li::marker {
  content: none;
}

summary::marker {
  color: red;
}

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