| <!doctype html> |
| <meta charset="utf-8"> |
| <title>:host(:has(...)) deep descendent</title> |
| <link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector"> |
| <link rel="match" href="/css/reference/ref-filled-green-100px-square-only.html"> |
| <p>Test passes if there is a filled green square.</p> |
| <div id="host"> |
| <template shadowrootmode="open"> |
| <style> |
| div { |
| width: 100px; |
| height: 100px; |
| background-color: red; |
| } |
| :host(:has(h1)) div { |
| background-color: green; |
| } |
| </style> |
| <div></div> |
| <slot></slot> |
| </template> |
| <section> |
| <h1></h1> |
| </section> |
| </div> |
