🏠 New in High Baseline Support: User action pseudo-classes
January 29, 2018
caniuse · mdn · [spec]([‘https://drafts.csswg.org/selectors-4/#the-hover-pseudo’, ‘https://drafts.csswg.org/selectors-4/#the-active-pseudo’, ‘https://drafts.csswg.org/selectors-4/#the-focus-pseudo’])
The :active, :focus, and :hover CSS pseudo-classes match elements based on how users are interacting with them.