| <!DOCTYPE html> |
| <html> |
| <meta charset="utf-8"> |
| <title>CSS Multi-column Layout Test Reference: Test column-span:all under HTML details tag</title> |
| <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com"> |
| <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> |
| |
| <style> |
| details { |
| column-count: 1; |
| column-rule: 6px solid; |
| width: 400px; |
| outline: 1px solid black; |
| } |
| h3 { |
| /* column-count: 1 makes this behave like a real spanner. */ |
| outline: 1px solid blue; |
| } |
| </style> |
| |
| <body> |
| <details open> |
| <summary>Columns</summary> |
| <h3>spanner</h3> |
| <div>block</div> |
| </details> |
| </body> |
| </html> |
