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Dataset 20260827-2142-2f1b575 · measured 2026-08-27 21:42 UTC
No example we built changes what Chrome draws, so there is nothing to judge the engine against. That is our gap in the sample set as often as it is the property having no static effect, and we cannot tell the two apart by measurement — so both stay in this one bucket, with the number of candidates tried published beside it.
The search tried 40 candidate valuesfor this property and Chrome’s largest reaction was 0 pixels — under the 40-pixel floor that counts as a reaction. That is either a property with no static effect, or a gap in our examples; the measurement cannot tell those apart, so it says both.
“Supported” on one example means “supported at the value we tried”. The property’s declared grammar has 126 branches; 0 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 |
|---|---|
| left | not measured |
| center | not measured |
| right | not measured |
| top | not measured |
| bottom | not measured |
| x-start | not measured |
| x-end | not measured |
| y-start | not measured |
| y-end | not measured |
| block-start | not measured |
| block-end | not measured |
| inline-start | not measured |
| inline-end | not measured |
| 20px | not measured |
| 50% | not measured |
| left top | not measured |
| center top | not measured |
| right top | not measured |
| x-start top | not measured |
| x-end top | not measured |
| left center | not measured |
| left bottom | not measured |
| left y-start | not measured |
| left y-end | not measured |
| 20px top | not measured |
| 50% top | not measured |
| left 20px | not measured |
| left 50% | not measured |
| block-start inline-start | not measured |
| center inline-start | not measured |
| block-end inline-start | not measured |
| block-start center | not measured |
| block-start inline-end | not measured |
| start start | not measured |
| center center | not measured |
| end end | not measured |
| left 20px top 20px | not measured |
| right 20px top 20px | not measured |
| x-start 20px top 20px | not measured |
| x-end 20px top 20px | not measured |
| left 50% top 20px | not measured |
| left 20px bottom 20px | not measured |
| left 20px y-start 20px | not measured |
| left 20px y-end 20px | not measured |
| left 20px top 50% | not measured |
| block-start 20px inline-start 20px | not measured |
| block-end 20px inline-start 20px | not measured |
| block-start 50% inline-start 20px | not measured |
| block-start 20px inline-end 20px | not measured |
| block-start 20px inline-start 50% | not measured |
| start 20px start 20px | not measured |
| end 20px end 20px | not measured |
| start 50% start 50% | not measured |
| url(data:image/gif;base64,R0lGODlhAQABAIAAAP8AAAAAACwAAAAAAQABAAACAkQBADs=) | not measured |
| inset(20px) | not measured |
| circle(60px) | not measured |
| ellipse(80px 40px) | not measured |
| polygon(0 0, 100% 0, 50% 100%) | not measured |
| content-box | not measured |
| padding-box | not measured |
| border-box | not measured |
| fill-box | not measured |
| stroke-box | not measured |
| view-box | not measured |
| url(data:image/gif;base64,R0lGODlhAQABAIAAAP8AAAAAACwAAAAAAQABAAACAkQBADs=) 20px | not measured |
| url(data:image/gif;base64,R0lGODlhAQABAIAAAP8AAAAAACwAAAAAAQABAAACAkQBADs=) 50% | not measured |
| url(data:image/gif;base64,R0lGODlhAQABAIAAAP8AAAAAACwAAAAAAQABAAACAkQBADs=) auto | not measured |
| url(data:image/gif;base64,R0lGODlhAQABAIAAAP8AAAAAACwAAAAAAQABAAACAkQBADs=) reverse | not measured |
| url(data:image/gif;base64,R0lGODlhAQABAIAAAP8AAAAAACwAAAAAAQABAAACAkQBADs=) 30deg | not measured |
| / left | not measured |
| / auto | not measured |
| / center | not measured |
| / right | not measured |
| / top | not measured |
| / bottom | not measured |
| / x-start | not measured |
| / x-end | not measured |
| / y-start | not measured |
| / y-end | not measured |
| / block-start | not measured |
| / block-end | not measured |
| / inline-start | not measured |
| / inline-end | not measured |
| / 20px | not measured |
| / 50% | not measured |
| / left top | not measured |
| / center top | not measured |
| / right top | not measured |
| / x-start top | not measured |
| / x-end top | not measured |
| / left center | not measured |
| / left bottom | not measured |
| / left y-start | not measured |
| / left y-end | not measured |
| / 20px top | not measured |
| / 50% top | not measured |
| / left 20px | not measured |
| / left 50% | not measured |
| / block-start inline-start | not measured |
| / center inline-start | not measured |
| / block-end inline-start | not measured |
| / block-start center | not measured |
| / block-start inline-end | not measured |
| / start start | not measured |
| / center center | not measured |
| / end end | not measured |
| / left 20px top 20px | not measured |
| / right 20px top 20px | not measured |
| / x-start 20px top 20px | not measured |
| / x-end 20px top 20px | not measured |
| / left 50% top 20px | not measured |
| / left 20px bottom 20px | not measured |
| / left 20px y-start 20px | not measured |
| / left 20px y-end 20px | not measured |
| / left 20px top 50% | not measured |
| / block-start 20px inline-start 20px | not measured |
| / block-end 20px inline-start 20px | not measured |
| / block-start 50% inline-start 20px | not measured |
| / block-start 20px inline-end 20px | not measured |
| / block-start 20px inline-start 50% | not measured |
| / start 20px start 20px | not measured |
| / end 20px end 20px | not measured |
| / start 50% start 50% | not measured |
| normal | not measured |
| auto | not measured |
| 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