Pattern: :visited   Definition: The :visited

Pattern: :last-child   Definition: The :last-chil

Pattern: element1 element2   Definition: The element1 element2 selector

Pattern: :active   Definition: The :active

Pattern: :root   Definition: The :root pseudo-class matches an

Pattern: element1 > element2   Definition: The element1 > element2

Pattern: :only-of-type   Definition: The :only-of

Pattern: :first-child   Definition: The :first-ch

Pattern: :only-child   Definition: The :only-chil

Pattern: element1 ~ element2   Definition: The element1 ~ element2 selector