<details>
  <summary>Toggle Content</summary>
  Open and close the element to toggle this content.
</details>

<ul>
  <li>Item 1</li>
  <li>Item 2</li>
  <li>Item 3</li>
  <li>Item 4</li>
  <li>Item 5</li>
</ul>
::marker {
  color: orangered;
  font-size: 2rem;
}
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