WPT
wpt / css / css-backgrounds / parsing / background-position-computed.html
Spec: CSS Backgrounds ↗
Runs: Chrome 155.0.8042.0 (wpt@5a6adac43, 2026-09-04) | Firefox 157.0a1 (wpt@0588f3896, 2026-09-04) | Safari 251 preview (wpt@e7122b73f, 2026-09-04) | Ladybird 1.0-b1af2 (wpt@0588f3896, 2026-09-04) | 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 | 29/32 | 32/32 | 32/32 | 29/32 | 32/32 | 32/32 |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Property background-position value '1px' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value '1px center' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value '-2% -3%' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value '5% top' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'center' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'center center' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'center 6px' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'center left' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'center right 7%' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'center bottom' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'center top 8px' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'left' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'right 9%' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'left 10px center' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'right 11% bottom' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'left 12px top 13px' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'right center' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'left bottom' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'right top 14%' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'bottom' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'top 15px center' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'bottom 16% left' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'top 17px right -18px' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'bottom center' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'top left' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'bottom right 19%' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'calc(10px + 0.5em) calc(10px - 0.5em)' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'calc(10px - 0.5em) calc(10px + 0.5em)' | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value '12px 13px, 50% 6px, 30px -10px' | FAIL | PASS | PASS | FAIL | PASS | PASS |
| Property background-position value 'center' multiple base values | FAIL | PASS | PASS | FAIL | PASS | PASS |
| Property background-position value 'center, left' multiple base values | PASS | PASS | PASS | PASS | PASS | PASS |
| Property background-position value 'center, left, bottom' multiple base values | FAIL | PASS | PASS | FAIL | PASS | PASS |