| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <title>CSS Test: descriptor prefix</title> |
| <link rel="author" title="Xidorn Quan" href="https://www.upsuper.org/"> |
| <link rel="help" href="https://drafts.csswg.org/css-counter-styles-3/#counter-style-prefix"> |
| <link rel="match" href="descriptor-prefix-ref.html"> |
| <link rel="stylesheet" href="support/test-common.css"> |
| <style type="text/css"> |
| @counter-style a { |
| system: extends upper-roman; |
| prefix: "Appendix "; |
| } |
| section { |
| counter-reset: p -3; |
| } |
| p { |
| counter-increment: p; |
| } |
| p::before { |
| content: counter(p, a); |
| } |
| </style> |
| <ol start="-2" style="list-style-type: a"> |
| <li><li><li><li><li> |
| </ol> |
| <section> |
| <p><p><p><p><p> |
| </section> |
