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conformance · v149

v149 · css-scroll-state-container-queries — 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://www.w3.org/TR/css-conditional-5/#scroll-state-container chromestatus: #5072263730167808 generated 2026-06-01T08:15:14Z by conformance-author-v1-subagent
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id contract kind verdict detail
container-type-scroll-state-supported container-type accepts the scroll-state value, defining a scroll-state query container. spec ↗ css-supports
stuck-top-state-query-supported The container query supports the (stuck: top) feature for sticky elements pinned at the top. spec ↗ script
snapped-state-query-supported The (snapped: x) / (snapped: y) features query scroll-snap alignment state. spec ↗ script
scrollable-state-query-supported The (scrollable: top) / (scrollable: bottom) features query remaining scroll distance. spec ↗ script
container-name-supported container-name is supported so scroll-state containers can be addressed by name. spec ↗ css-supports
container-shorthand-with-scroll-state The container shorthand sets container-name and container-type: scroll-state together. spec ↗ css-supports