| <!doctype html> |
| <title>CSS Test: :host doesn't match nested shadow hosts.</title> |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> |
| <link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector"> |
| <link rel="match" href="reference/green-box.html"> |
| <style> |
| #host { |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| <p>Test passes if you see a single 100px by 100px green box below.</p> |
| <div id="host">FAIL</div> |
| <script> |
| let root = host.attachShadow({ mode: "open" }); |
| root.innerHTML = ` |
| <style> |
| div { |
| background: green; |
| width: 100px; |
| height: 100px; |
| } |
| :host { background: red !important } |
| div:host { background: red !important } |
| </style> |
| <div id="nested-host">FAIL - nested shadow host</div> |
| `; |
| root.getElementById("nested-host").attachShadow({ mode: "open" }); |
| </script> |
