| <!doctype html> |
| <meta charset="utf-8"> |
| <title>Verifying that :host works as a selector at all</title> |
| <link rel="help" href="https://drafts.csswg.org/selectors-4/#featureless"> |
| <link rel="match" href="/css/reference/ref-filled-green-100px-square-only.html"> |
| <!-- All these tests use a shadow host as the featureless element, |
| so we need to make sure that the impl actually supports the |
| necessary functionality. --> |
| |
| <p>Test passes if there is a filled green square.</p> |
| <div class=host> |
| <template shadowrootmode="open"> |
| <style> |
| div { |
| width: 100px; |
| height: 50px; |
| } |
| .red { background-color: red; } |
| .green { background-color: green; } |
| :host div.red { |
| /* Make sure :host matches the host element... */ |
| background-color: green; |
| } |
| div > div.green { |
| /* And make sure *other* selectors *don't* match it. */ |
| background-color: red; |
| } |
| </style> |
| <div class=red></div> |
| <div class=green></div> |
| <slot></slot> |
| </template> |
| <section></section> |
| </div> |
