| <!DOCTYPE html> | |
| <link rel="help" href="https://drafts.csswg.org/css-values-5/#attr-notation"> | |
| <link rel="match" href="attr-style-sharing-1-ref.html"> | |
| <style> | |
| span { | |
| background-color: attr(data-foo type(<color>)); | |
| } | |
| </style> | |
| <span data-foo="green">green</span> | |
| <span>not green</span> |