:open and :closed pseudo-classes

[josepharhar]

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WebKittens

@annevk @nt1m

Title of the proposal

CSS :open and :closed pseudo-classes

URL to the spec

https://drafts.csswg.org/selectors-4/#open-state

URL to the spec's repository

https://drafts.csswg.org

Issue Tracker URL

No response

Explainer URL

No response

TAG Design Review URL

No response

Mozilla standards-positions issue URL

No response

WebKit Bugzilla URL

https://bugs.webkit.org/show_bug.cgi?id=280637

Radar URL

No response

Description

There is a corresponding HTML spec PR here: https://github.com/whatwg/html/pull/10126