CSS Selectors CSS :read-write & :read-only Selectors CSS :focus & :focus-within Selectors CSS :optional & :required Selectors CSS :hover and :active selectors CSS :first-child Selector CSS :first-of-type Selector CSS :last-child & :last-of-type Selectors CSS :only-child & :only-of-type Selectors CSS :nth-child() & :nth-of-type() Selectors CSS :nth-last-child() & :last-of-type() Selectors CSS :empty Selector CSS :enabled & :disabled Selectors CSS :not Selector CSS :valid & :invalid Selectors CSS :in-range & :out-of-range Selectors CSS :checked Selector Read also: CSS Basics CSS Reference
