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conformance · v148

v148 · css-name-only-container-queries — conformance probe

5 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-conditional-5/#container-rule chromestatus: #5184267522015232 generated 2026-06-06T19:40:24.536Z by codex-css-name-only-container-query-goal
0
pass
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fail
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blocked
5
total
id contract kind verdict detail
container-name-supported The container-name property accepts an ident value. css-supports
name-only-at-container-parses @container --foo { } parses without requiring a parenthesised query. spec ↗ script
name-only-matches-without-type An element with container-name set but no container-type can satisfy a name-only @container. spec ↗ script
named-with-query-still-works Legacy named query with size still parses (backward compatibility). spec ↗ script
container-type-still-supported container-type continues to accept size and inline-size values for size queries. css-supports