WPT
wpt / css / css-masking / animations / mask-border-outset-interpolation.html
Spec: CSS Masking ↗
Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@e7122b73f, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-70fb3 (wpt@4a01b83e3, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | 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 | 0/168 | 0/168 | 168/168 | 0/168 | 0/168 | 0/168 |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| CSS Transitions: property <mask-border-outset> from neutral to [2px] at (-0.3) should be [0.7px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from neutral to [2px] at (0) should be [1px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from neutral to [2px] at (0.3) should be [1.3px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from neutral to [2px] at (0.6) should be [1.6px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from neutral to [2px] at (1) should be [2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from neutral to [2px] at (1.5) should be [2.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from neutral to [2px] at (-0.3) should be [0.7px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from neutral to [2px] at (0) should be [1px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from neutral to [2px] at (0.3) should be [1.3px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from neutral to [2px] at (0.6) should be [1.6px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from neutral to [2px] at (1) should be [2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from neutral to [2px] at (1.5) should be [2.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from neutral to [2px] at (-0.3) should be [0.7px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from neutral to [2px] at (0) should be [1px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from neutral to [2px] at (0.3) should be [1.3px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from neutral to [2px] at (0.6) should be [1.6px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from neutral to [2px] at (1) should be [2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from neutral to [2px] at (1.5) should be [2.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from neutral to [2px] at (-0.3) should be [0.7px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from neutral to [2px] at (0) should be [1px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from neutral to [2px] at (0.3) should be [1.3px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from neutral to [2px] at (0.6) should be [1.6px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from neutral to [2px] at (1) should be [2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from neutral to [2px] at (1.5) should be [2.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [initial] to [2] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [initial] to [2] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [initial] to [2] at (0.3) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [initial] to [2] at (0.6) should be [1.2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [initial] to [2] at (1) should be [2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [initial] to [2] at (1.5) should be [3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [initial] to [2] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [initial] to [2] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [initial] to [2] at (0.3) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [initial] to [2] at (0.6) should be [1.2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [initial] to [2] at (1) should be [2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [initial] to [2] at (1.5) should be [3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [initial] to [2] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [initial] to [2] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [initial] to [2] at (0.3) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [initial] to [2] at (0.6) should be [1.2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [initial] to [2] at (1) should be [2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [initial] to [2] at (1.5) should be [3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [initial] to [2] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [initial] to [2] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [initial] to [2] at (0.3) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [initial] to [2] at (0.6) should be [1.2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [initial] to [2] at (1) should be [2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [initial] to [2] at (1.5) should be [3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [inherit] to [2px] at (-0.3) should be [12.4px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [inherit] to [2px] at (0) should be [10px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [inherit] to [2px] at (0.3) should be [7.6px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [inherit] to [2px] at (0.6) should be [5.2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [inherit] to [2px] at (1) should be [2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [inherit] to [2px] at (1.5) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [inherit] to [2px] at (-0.3) should be [12.4px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [inherit] to [2px] at (0) should be [10px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [inherit] to [2px] at (0.3) should be [7.6px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [inherit] to [2px] at (0.6) should be [5.2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [inherit] to [2px] at (1) should be [2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [inherit] to [2px] at (1.5) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [inherit] to [2px] at (-0.3) should be [12.4px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [inherit] to [2px] at (0) should be [10px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [inherit] to [2px] at (0.3) should be [7.6px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [inherit] to [2px] at (0.6) should be [5.2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [inherit] to [2px] at (1) should be [2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [inherit] to [2px] at (1.5) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [inherit] to [2px] at (-0.3) should be [12.4px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [inherit] to [2px] at (0) should be [10px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [inherit] to [2px] at (0.3) should be [7.6px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [inherit] to [2px] at (0.6) should be [5.2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [inherit] to [2px] at (1) should be [2px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [inherit] to [2px] at (1.5) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [unset] to [2] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [unset] to [2] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [unset] to [2] at (0.3) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [unset] to [2] at (0.6) should be [1.2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [unset] to [2] at (1) should be [2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [unset] to [2] at (1.5) should be [3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [unset] to [2] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [unset] to [2] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [unset] to [2] at (0.3) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [unset] to [2] at (0.6) should be [1.2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [unset] to [2] at (1) should be [2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [unset] to [2] at (1.5) should be [3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [unset] to [2] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [unset] to [2] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [unset] to [2] at (0.3) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [unset] to [2] at (0.6) should be [1.2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [unset] to [2] at (1) should be [2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [unset] to [2] at (1.5) should be [3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [unset] to [2] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [unset] to [2] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [unset] to [2] at (0.3) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [unset] to [2] at (0.6) should be [1.2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [unset] to [2] at (1) should be [2] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [unset] to [2] at (1.5) should be [3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0px] to [5px] at (-0.3) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0px] to [5px] at (0) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0px] to [5px] at (0.3) should be [1.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0px] to [5px] at (0.6) should be [3px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0px] to [5px] at (1) should be [5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0px] to [5px] at (1.5) should be [7.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0px] to [5px] at (-0.3) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0px] to [5px] at (0) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0px] to [5px] at (0.3) should be [1.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0px] to [5px] at (0.6) should be [3px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0px] to [5px] at (1) should be [5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0px] to [5px] at (1.5) should be [7.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0px] to [5px] at (-0.3) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0px] to [5px] at (0) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0px] to [5px] at (0.3) should be [1.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0px] to [5px] at (0.6) should be [3px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0px] to [5px] at (1) should be [5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0px] to [5px] at (1.5) should be [7.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0px] to [5px] at (-0.3) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0px] to [5px] at (0) should be [0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0px] to [5px] at (0.3) should be [1.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0px] to [5px] at (0.6) should be [3px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0px] to [5px] at (1) should be [5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0px] to [5px] at (1.5) should be [7.5px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0] to [1] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0] to [1] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0] to [1] at (0.3) should be [0.3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0] to [1] at (0.6) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0] to [1] at (1) should be [1] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [0] to [1] at (1.5) should be [1.5] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0] to [1] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0] to [1] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0] to [1] at (0.3) should be [0.3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0] to [1] at (0.6) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0] to [1] at (1) should be [1] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [0] to [1] at (1.5) should be [1.5] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0] to [1] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0] to [1] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0] to [1] at (0.3) should be [0.3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0] to [1] at (0.6) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0] to [1] at (1) should be [1] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [0] to [1] at (1.5) should be [1.5] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0] to [1] at (-0.3) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0] to [1] at (0) should be [0] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0] to [1] at (0.3) should be [0.3] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0] to [1] at (0.6) should be [0.6] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0] to [1] at (1) should be [1] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [0] to [1] at (1.5) should be [1.5] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (-0.3) should be [0 0 0px 0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0) should be [1 2 3px 4px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0.3) should be [31 32 33px 34px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0.6) should be [61 62 63px 64px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (1) should be [101 102 103px 104px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (1.5) should be [151 152 153px 154px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (-0.3) should be [0 0 0px 0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0) should be [1 2 3px 4px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0.3) should be [31 32 33px 34px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0.6) should be [61 62 63px 64px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (1) should be [101 102 103px 104px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Transitions with transition: all: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (1.5) should be [151 152 153px 154px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (-0.3) should be [0 0 0px 0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0) should be [1 2 3px 4px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0.3) should be [31 32 33px 34px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0.6) should be [61 62 63px 64px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (1) should be [101 102 103px 104px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| CSS Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (1.5) should be [151 152 153px 154px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (-0.3) should be [0 0 0px 0px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0) should be [1 2 3px 4px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0.3) should be [31 32 33px 34px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (0.6) should be [61 62 63px 64px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (1) should be [101 102 103px 104px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |
| Web Animations: property <mask-border-outset> from [1 2 3px 4px] to [101 102 103px 104px] at (1.5) should be [151 152 153px 154px] | FAIL | FAIL | PASS | FAIL | FAIL | FAIL |