Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Reference File: list-item counter with details open </title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/grouping-content.html#the-li-element">
<details open>
<summary>Expand me</summary>
<div>5. Should be numbered 5</div>
</details>