伪类参考

• :active
• :any-link Experimental
• :blank Experimental
• :checked
• :current (en-US) Experimental
• :default
• :defined
• :dir() Experimental
• :disabled
• :drop Experimental
• :empty
• :enabled
• :first
• :first-child
• :first-of-type
• :fullscreen Experimental
• :future (en-US) Experimental
• :focus
• :focus-visible Experimental
• :focus-within
• :has() Experimental
• :host
• :host()
• :host-context() Experimental
• :hover
• :indeterminate
• :in-range
• :invalid
• :is() Experimental
• :lang()
• :last-child
• :last-of-type
• :left
• :link
• :local-link (en-US) Experimental
• :not()
• :nth-child()
• :nth-col() (en-US) Experimental
• :nth-last-child()
• :nth-last-col() (en-US) Experimental
• :nth-last-of-type()
• :nth-of-type()
• :only-child
• :only-of-type
• :optional
• :out-of-range
• :past (en-US) Experimental
• :placeholder-shown Experimental
• :read-only
• :read-write
• :required
• :right
• :root
• :scope
• :target
• :target-within (en-US) Experimental
• :user-invalid (en-US) Experimental
• :valid
• :visited
• :where() Experimental