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

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

Pattern: :target   Definition: The :target

Pattern: :first-of-type   Definition: The :first-

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

Pattern: element#IDNAME   Definition: The element#IDNAME selector

Pattern: :lang   Definition: The :lang pseudo-class

Pattern: [attr=val]   Definition: The [attr=val] selector matches

Pattern: [attr~=val]   Definition:   The 

Pattern: :link   Definition: The :link pseudo-class