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Dataset 20260827-2142-2f1b575 · measured 2026-08-27 21:42 UTC
text-decoration
✕parsed, no effectcss-text-decor-4
The parser accepts the name, yet our rendering is byte-identical with and without the declaration while Chrome's is not. The declaration is being swallowed.
What the specification says
- Initial value
- see individual properties
- Applies to
- see individual properties
- Inherited
- see individual properties
- Percentages
- see individual properties
- Computed value
- see individual properties
- Syntax
- <'text-decoration-line'> || <'text-decoration-thickness'> || <'text-decoration-style'> || <'text-decoration-color'>
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.
text-decoration:spelling-error✕parsed, no effect
Our renderChrome2,046 pixels differ from Chrome, the largest by 178 of 255 on one channel.
- Differing pixels
- 2,046
- Max channel delta
- 178
text-decoration:grammar-error✕parsed, no effect
Our renderChrome1,834 pixels differ from Chrome, the largest by 76 of 255 on one channel.
- Differing pixels
- 1,834
- Max channel delta
- 76
text-decoration:line-through✕renders differently
Our renderChrome1,510 pixels differ from Chrome, the largest by 221 of 255 on one channel.
- Differing pixels
- 1,510
- Max channel delta
- 221
text-decoration:overline✕renders differently
Our renderChrome3,170 pixels differ from Chrome, the largest by 221 of 255 on one channel.
- Differing pixels
- 3,170
- Max channel delta
- 221
text-decoration:underline✕renders differently
Our renderChrome1,578 pixels differ from Chrome, the largest by 221 of 255 on one channel.
- Differing pixels
- 1,578
- Max channel delta
- 221
Which values were measured
“Supported” on one example means “supported at the value we tried”. The property’s declared grammar has 21 branches; 5 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 |
|---|---|
| underline | ✕renders differently |
| overline | ✕renders differently |
| line-through | ✕renders differently |
| blink | not measured |
| spelling-error | ✕parsed, no effect |
| grammar-error | ✕parsed, no effect |
| from-font | not measured |
| 20px | not measured |
| 50% | not measured |
| hairline | not measured |
| thin | not measured |
| medium | not measured |
| thick | not measured |
| solid | not measured |
| double | not measured |
| dotted | not measured |
| dashed | not measured |
| wavy | not measured |
| #e07a1f | not measured |
| none | not measured |
| auto | not measured |
Tests in the suite that name this property
Secondary evidence: 2 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