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Dataset 20260827-2142-2f1b575 · measured 2026-08-27 21:42 UTC
border-image-slice
≈below the visible thresholdcss-borders-4
Differs from Chrome only inside the measured anti-aliasing band (maximum channel distance 3 of 255). Curves, rotation and gradients land here.
What the specification says
- Initial value
- 100%
- Applies to
- All elements, except internal table elements when border-collapse is collapse
- Inherited
- no
- Percentages
- refer to size of the border image
- Computed value
- four values, each either a number or percentage; plus a fill keyword if specified
- Syntax
- [<number [0,∞]> | <percentage [0,∞]>]{1,4} && fill?
The measurements
Each example is one declaration on a small page, drawn by Chrome and by our engine. Drag the handle to wipe between them.
border-image-slice:2 fill≈below the visible threshold
Our renderChrome38,183 pixels differ from Chrome, the largest by 2 of 255 on one channel.
- Differing pixels
- 38,183
- Max channel delta
- 2
border-image-slice:2≈below the visible threshold
Our renderChrome17,319 pixels differ from Chrome, the largest by 2 of 255 on one channel.
- Differing pixels
- 17,319
- Max channel delta
- 2
border-image-slice:50%≈below the visible threshold
Our renderChrome1,961 pixels differ from Chrome, the largest by 2 of 255 on one channel.
- Differing pixels
- 1,961
- Max channel delta
- 2
border-image-slice:40%≈below the visible threshold
Our renderChrome21,160 pixels differ from Chrome, the largest by 3 of 255 on one channel.
- Differing pixels
- 21,160
- Max channel delta
- 3
Which values were measured
“Supported” on one example means “supported at the value we tried”. The property’s declared grammar has 3 branches; 3 of them carry a measurement. The publishing ceiling is 12 examples per property — a branch past it is left out by our choice, not by accident.
| Value | Measured |
|---|---|
| 2 | ≈below the visible threshold |
| 50% | ≈below the visible threshold |
| 2 fill | ≈below the visible threshold |
Measured against Chrome 148.0.7778.96 on 2026-08-27, with up to 40 candidate values tried per property. All properties · How the measurement works