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Dataset 20260827-2142-2f1b575 · measured 2026-08-27 21:42 UTC
contain-intrinsic-width
✓pixel-exactcss-sizing-4
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
- none
- Applies to
- elements with size containment
- Inherited
- no
- Percentages
- n/a
- Computed value
- as specified, with <length> values computed
- Syntax
- auto? [ none | <length [0,∞]> ]
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.
contain-intrinsic-width:20px✓pixel-exact
Our renderChromeIdentical to Chrome: nothing differs, so there is no difference map to show.
- Differing pixels
- 0
- Max channel delta
- 0
contain-intrinsic-width:auto 20px✓pixel-exactOur renderChromeIdentical to Chrome: nothing differs, so there is no difference map to show.
- Differing pixels
- 0
- Max channel delta
- 0
Which values were measured
“Supported” on one example means “supported at the value we tried”. The property’s declared grammar has 3 branches; 2 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 |
|---|---|
| 20px | ✓pixel-exact |
| auto 20px | ✓pixel-exact |
| none | not measured |
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