WPT
wpt / css / css-backgrounds / animations / border-image-slice-composition.html
Spec: CSS Backgrounds ↗
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 1.0-3e704 (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 | 112/112 | 112/112 | 112/112 | 112/112 | 56/112 | 19/112 |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (-0.25) should be [0] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (0) should be [2 4 6 8] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (0.25) should be [27 29 31 33] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (0.5) should be [52 54 56 58] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (0.75) should be [77 79 81 83] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (1) should be [102 104 106 108] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (1.25) should be [127 129 131 133] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (-0.25) should be [0] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (0) should be [2 4 6 8] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (0.25) should be [27 29 31 33] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (0.5) should be [52 54 56 58] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (0.75) should be [77 79 81 83] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (1) should be [102 104 106 108] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3 4] from add [1 2 3 4] to add [101 102 103 104] at (1.25) should be [127 129 131 133] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (-0.25) should be [175 250 300 450 fill] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (0) should be [200 300 400 500 fill] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (0.25) should be [225 350 500 550 fill] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (0.5) should be [250 400 600 600 fill] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (0.75) should be [275 450 700 650 fill] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (1) should be [300 500 800 700 fill] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (1.25) should be [325 550 900 750 fill] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (-0.25) should be [175 250 300 450 fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (0) should be [200 300 400 500 fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (0.25) should be [225 350 500 550 fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (0.5) should be [250 400 600 600 fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (0.75) should be [275 450 700 650 fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (1) should be [300 500 800 700 fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [100 200 300 400 fill] from add [100 fill] to add [200 300 500 fill] at (1.25) should be [325 550 900 750 fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (-0.25) should be [0 0 0% 0%] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (0) should be [2 4 6% 8%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (0.25) should be [27 29 31% 33%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (0.5) should be [52 54 56% 58%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (0.75) should be [77 79 81% 83%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (1) should be [102 104 106% 108%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (1.25) should be [127 129 131% 133%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (-0.25) should be [0 0 0% 0%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (0) should be [2 4 6% 8%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (0.25) should be [27 29 31% 33%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (0.5) should be [52 54 56% 58%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (0.75) should be [77 79 81% 83%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (1) should be [102 104 106% 108%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [1 2 3% 4%] from add [1 2 3% 4%] to add [101 102 103% 104%] at (1.25) should be [127 129 131% 133%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (-0.25) should be [225% 225% 350% 350%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (0) should be [200% 200% 300% 300%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (0.25) should be [175% 175% 250% 250%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (0.5) should be [150% 150% 200% 200%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (0.75) should be [125% 125% 150% 150%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (1) should be [100%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (1.25) should be [75% 75% 50% 50%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (-0.25) should be [225% 225% 350% 350%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (0) should be [200% 200% 300% 300%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (0.25) should be [175% 175% 250% 250%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (0.5) should be [150% 150% 200% 200%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (0.75) should be [125% 125% 150% 150%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (1) should be [100%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20%] from add [190% 180% 290% 280%] to add [90% 80%] at (1.25) should be [75% 75% 50% 50%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (-0.25) should be [75 75%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (0) should be [100 100%] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (0.25) should be [125 125%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (0.5) should be [150 150%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (0.75) should be [175 175%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (1) should be [200 200%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (1.25) should be [225 225%] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (-0.25) should be [75 75%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (0) should be [100 100%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (0.25) should be [125 125%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (0.5) should be [150 150%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (0.75) should be [175 175%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (1) should be [200 200%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20%] from replace [100 100%] to add [190 180%] at (1.25) should be [225 225%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (-0.25) should be [125% 125] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (0) should be [100% 100] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (0.25) should be [75% 75] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (0.5) should be [50% 50] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (0.75) should be [25% 25] | PASS | PASS | PASS | PASS | PASS | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (1) should be [0% 0] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (1.25) should be [0% 0] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (-0.25) should be [125% 125] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (0) should be [100% 100] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (0.25) should be [75% 75] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (0.5) should be [50% 50] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (0.75) should be [25% 25] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (1) should be [0% 0] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10% 20] from add [90% 80] to replace [0% 0 0% 0] at (1.25) should be [0% 0] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (-0.25) should be [100% 150%] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (0) should be [100% 150%] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (0.25) should be [100% 150%] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (0.5) should be [200% 250% fill] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (0.75) should be [200% 250% fill] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (1) should be [200% 250% fill] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (1.25) should be [200% 250% fill] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (-0.25) should be [100% 150%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (0) should be [100% 150%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (0.25) should be [100% 150%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (0.5) should be [200% 250% fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (0.75) should be [200% 250% fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (1) should be [200% 250% fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100% 150%] to add [200% 250% fill] at (1.25) should be [200% 250% fill] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (-0.25) should be [100 150%] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (0) should be [100 150%] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (0.25) should be [100 150%] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (0.5) should be [200% 250] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (0.75) should be [200% 250] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (1) should be [200% 250] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing CSS Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (1.25) should be [200% 250] | PASS | PASS | PASS | PASS | PASS | PASS |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (-0.25) should be [100 150%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (0) should be [100 150%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (0.25) should be [100 150%] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (0.5) should be [200% 250] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (0.75) should be [200% 250] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (1) should be [200% 250] | PASS | PASS | PASS | PASS | FAIL | FAIL |
| Compositing Web Animations: property <border-image-slice> underlying [10 20] from add [100 150%] to add [200% 250] at (1.25) should be [200% 250] | PASS | PASS | PASS | PASS | FAIL | FAIL |