| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <title>CSS Shadow Parts - Nested Pseudo Classes</title> |
| <link rel="help" href="https://drafts.csswg.org/css-shadow-parts" > |
| <link rel="help" href="https://drafts.csswg.org/selectors/#matches"> |
| <link href="https://drafts.csswg.org/selectors/#matches" rel="help"> |
| <link rel="match" href="interaction-with-nested-pseudo-class-ref.html"> |
| <script src="/common/reftest-wait.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <style> |
| :root { color: red; } |
| ::part(test):is(:focus) { color: green; } |
| </style> |
| <div id=host></div> |
| <script> |
| const root = host.attachShadow({mode: 'closed'}); |
| root.innerHTML = '<button part=test>Should be green on focus</button>'; |
| const button = root.querySelector('button'); |
| button.addEventListener('focus', takeScreenshot); |
| test_driver.bless('focus button', () => button.focus()); |
| </script> |
| </html> |
