Modern Selectors: :is(), :where() and :has()

The :is() and :where() pseudo-classes shorten long selector lists, :where() with no specificity at all, and :has() styles an element by what it contains, so a page can react to a click with no JavaScript.

Updated

Cheat sheet: Modern Selectors: :is(), :where() and :has()
Category
CSS
Level
Journeyman
Tags
:has(), :is(), CSS, Functional pseudo-class, where