| <!doctype html> | |
| <meta charset="utf-8"> | |
| <title>CSS Test Reference</title> | |
| <style> | |
| summary { | |
| display: list-item; | |
| counter-increment: list-item 0; | |
| list-style: disclosure-closed inside; | |
| } | |
| details[open] > summary { | |
| list-style-type: disclosure-open; | |
| } | |
| </style> | |
| <details> | |
| <summary>Example</summary> | |
| </details> | |
| <details open> | |
| <summary>Example</summary> | |
| </details> |