| <!doctype html> | |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> | |
| <link rel="help" title="https://github.com/whatwg/html/pull/3686"> | |
| <link rel="help" title="https://html.spec.whatwg.org/multipage/#the-details-element"> | |
| <link rel="mismatch" href="single-summary.html"> | |
| <title>CSS Test: details ::before pseudo-element</title> | |
| <style> | |
| details::before { content: "::before" } | |
| </style> | |
| <details> | |
| <summary>This is the main summary</summary> | |
| </details> |