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Dataset 20260827-2142-2f1b575 · measured 2026-08-27 21:42 UTC
border-collapse
✓pixel-exactcss-tables-3
Our rendering of the example is identical to Chrome's, pixel for pixel — no further apart than the example's own noise floor.
What the specification says
- Initial value
- separate
- Applies to
- table grid boxes
- Inherited
- yes
- Percentages
- n/a
- Computed value
- specified keyword
- Syntax
- separate | collapse
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-collapse:collapse✓pixel-exact
Our renderChrome1,021 pixels differ from Chrome, the largest by 255 of 255 on one channel.
- Differing pixels
- 1,021
- Max channel delta
- 255
Which values were measured
“Supported” on one example means “supported at the value we tried”. The property’s declared grammar has 2 branches; 1 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 |
|---|---|
| collapse | ✓pixel-exact |
| separate | not measured |
Tests in the suite that name this property
Secondary evidence: 4 Web Platform Tests carry a spec anchor pointing at this property. Only 1,254 tests in the whole corpus carry such an anchor, so an empty list here means nothing at all.
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