PatternMeaningDescribed in section

　　*Matches any element.Universal

　　selector

　　EMatches any E element (i.e., an element of type E).Type

　　selectors

　　E FMatches any F element that is a descendant of

　　an E element.Descendant

　　selectors

　　E > FMatches any F element that is a child of

　　an element E.Child selectors

　　E:first-childMatches element E when E is the first

　　child of its parent.

　　The :first-child pseudo-class

　　E:link

　　E:visited Matches element E if E is the source

　　anchor of a hyperlink of which the target is not yet visited (:link)

　　or already visited (:visited).

　　The link pseudo-classes

　　E:active

　　E:hover

　　E:focus Matches E during certain

　　user actions.

　　The dynamic pseudo-classes

　　E:lang(c) Matches element of type E if it is in (human) language c

　　(the document language specifies how language is determined).

　　The :lang() pseudo-class

　　E + FMatches any F element immediately preceded by

　　a sibling element E.Adjacent selectors

　　E[foo]Matches any E element with the

　　"foo" attribute set (whatever the value).

　　Attribute selectors

　　E[foo="warning"]Matches any E element whose

　　"foo" attribute value is exactly equal to "warning".

　　Attribute selectors

　　E[foo~="warning"]Matches any E element whose

　　"foo" attribute value is a list of space-separated values, one of

　　which is exactly equal to "warning".

　　Attribute selectors

　　E[lang|="en"]Matches any E element whose

　　"lang" attribute has a hyphen-separated list of values

　　beginning (from the left) with "en".

　　Attribute selectors

　　DIV.warningLanguage specific. (In HTML, the same

　　as DIV[class~="warning"].)

　　Class selectors

　　E#myidMatches any E element with ID

　　equal to "myid".ID selectors