WPT
wpt / css / css-box / margin-trim / margin-trim-computed-value.html
Spec: CSS Box Model ↗
Runs: Chrome 155.0.8043.0 (wpt@b89af32bc, 2026-09-05) | Firefox 157.0a1 (wpt@b89af32bc, 2026-09-05) | Safari 251 preview (wpt@b89af32bc, 2026-09-05) | Ladybird 1.0-f437c (wpt@b89af32bc, 2026-09-06) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 9/9 | 1/9 | 1/9 | 1/9 | 1/9 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| block-start margin of a trimmed first child is still the used value | PASS | FAIL | FAIL | FAIL | FAIL | — |
| block-end margin of a trimmed last child is still the used value | PASS | FAIL | FAIL | FAIL | FAIL | — |
| percentage block-start margin of a trimmed first child resolves against the containing block | PASS | FAIL | FAIL | FAIL | FAIL | — |
| block-start margin that collapses through to a trimmed edge is still the used value | PASS | FAIL | FAIL | FAIL | FAIL | — |
| both margins of a trimmed self-collapsing last child are still the used values | PASS | FAIL | FAIL | FAIL | FAIL | — |
| block-start margin of a trimmed first child in vertical-lr is still the used value | PASS | FAIL | FAIL | FAIL | FAIL | — |
| collapsed block-start margin is still the used value | PASS | PASS | PASS | PASS | PASS | — |
| trimmed margins of a self-collapsing last child do not grow a container that cannot collapse with its children | PASS | FAIL | FAIL | FAIL | FAIL | — |
| block-end margin that collapses through to a trimmed edge is still the used value | PASS | FAIL | FAIL | FAIL | FAIL | — |