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Matches any element. Universal selector

E

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

E F

Matches any F element that is a descendant of an E element. Descendant selectors

E > F

Matches any F element that is a child of an element E. Child selectors

E:first-child

Matches 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

Not supported

E:hover

Not supported

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 + F

Matches any F element immediately preceded by an 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"]

INCLUDES 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"]

Dash match. Matches any E element whose "lang" attribute has a hyphen- separated list of values beginning ( from the left) with "en". Attribute selectors

E[foo^="en"]

Prefix match. Matches any element E whose "foo" attribute begins with "en"

E[foo$=" en"]

Suffix match. Matches any element E whose "foo" attribute ends with "en"

E[foo^="en"]

Substring match. Matches any element E whose " foo" attribute contains "en"

DIV.warning

HTML only. The same as DIV[class~="warning"]. Class selectors

E#myid

Matches any E element ID equal to "myid". ID selectors