WPT
wpt / css / css-nesting / nested-declarations-cssom.html
Spec: CSS Nesting ↗
Runs: Chrome 155.0.8038.0 (wpt@b1a7025f8, 2026-09-02) | Firefox 157.0a1 (wpt@b1a7025f8, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7884 (wpt@b1a7025f8, 2026-09-02) | Servo Servo 0.5 (wpt@2ccd2cbf8, 2026-09-01) | Blitz 7727414ca (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 12/12 | 12/12 | 12/12 | 12/12 | 12/12 | 0/12 |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Trailing declarations | PASS | PASS | PASS | PASS | PASS | FAIL |
| Mixed declarations | PASS | PASS | PASS | PASS | PASS | FAIL |
| CSSNestedDeclarations.style | PASS | PASS | PASS | PASS | PASS | FAIL |
| Nested group rule | PASS | PASS | PASS | PASS | PASS | FAIL |
| Nested @scope rule | PASS | PASS | PASS | PASS | PASS | FAIL |
| Inner rule starting with an ident | PASS | PASS | PASS | PASS | PASS | FAIL |
| Inserting a CSSNestedDeclaration rule into style rule | PASS | PASS | PASS | PASS | PASS | FAIL |
| Inserting a CSSNestedDeclaration rule into nested group rule | PASS | PASS | PASS | PASS | PASS | FAIL |
| Attempting to insert a CSSNestedDeclaration rule into top-level @media rule | PASS | PASS | PASS | PASS | PASS | FAIL |
| Attempting to insert a CSSNestedDeclaration rule into a stylesheet | PASS | PASS | PASS | PASS | PASS | FAIL |
| Attempting to insert a CSSNestedDeclaration rule, empty block | PASS | PASS | PASS | PASS | PASS | FAIL |
| Attempting to insert a CSSNestedDeclaration rule, all invalid declarations | PASS | PASS | PASS | PASS | PASS | FAIL |