Re: [csswg-drafts] [css-mixins-1] Are @mixin rules valid within other at-rules? (#12417)

@kbabbitt do you want to create a new issue for the fact that validity of @keyframes is not explicitly spec'd? I know they are _implicitly_ a top-level rule, and therefore valid inside all conditional groups, but it seems like the kind of thing that should be spec'd and that @keyframes could just link to. 

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Received on Monday, 20 July 2026 21:41:25 UTC