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conformance · v132

v132 · css-anchor-positioning-allow-anchor-size-in-inset-and-margin-properties — conformance probe

6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://drafts.csswg.org/css-anchor-position-1/#anchor-size-fn chromestatus: #5203950077476864 generated 2026-06-01T08:13:00Z by conformance-author-v1-subagent
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id contract kind verdict detail
anchor-size-in-top-inset anchor-size() is accepted as a value for the top inset property. spec ↗ css-supports
anchor-size-in-left-inset anchor-size() is accepted as a value for the left inset property. spec ↗ css-supports
anchor-size-in-margin-top anchor-size() is accepted in margin-top, the marquee addition shipping in 132. spec ↗ css-supports
anchor-size-in-margin-inline-start anchor-size() is accepted in margin-inline-start, covering logical margin properties. spec ↗ css-supports
anchor-size-inside-calc-in-margin anchor-size() composes inside calc() when used in a margin property. spec ↗ css-supports
anchor-size-in-inset-shorthand anchor-size() works in the inset shorthand. spec ↗ css-supports