[Pseudo-classes]Do we need :visible, :hidden ?

[lu-yuan]

• please tag the issue title with the spec's shortname, like [css-foo]
• please link to the spec section you're talking about, or at least the spec

[frivoal]

This is unfortunately impossible to add, as it would introduce circular dependencies.

As this is a common request, we have an entry in the FAQ about this problem: https://wiki.csswg.org/faq#selectors-that-depend-on-layout