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conformance · v148

v148 · the-revert-rule-keyword — 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-cascade-5/#revert-rule-keyword chromestatus: #5146458504429568 generated 2026-06-01T08:14:38Z by conformance-author-v1-subagent
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pass
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id contract kind verdict detail
revert-rule-keyword-supported revert-rule is accepted as a value for an arbitrary property (cascade-wide keyword). spec ↗ css-supports
revert-layer-still-supported revert-layer (the sibling cascade-wide keyword) remains supported. css-supports
revert-still-supported revert (cascade origin) remains supported. css-supports
revert-rule-rolls-back-cascade Applying revert-rule on the same property in two rules rolls back to the previous rule. spec ↗ script
revert-rule-in-conditional revert-rule parses inside a CSS if() context (the motivating use case). script