Universal Selector

Universal Selector

* any element

Attribute Selectors

Attribute Selectors

E an element of type E

E[foo] an E element with a "foo" attribute

E[foo="bar"] an E element whose "foo" attribute value is exactly equal to "bar"

E[foo~="bar"] an E element whose "foo" attribute value is a list of space-separated values, one of which is exactly equal to "bar"

E[foo^="bar"] an E element whose "foo" attribute value begins exactly with the string "bar"

E[foo$="bar"] an E element whose "foo" attribute value ends exactly with the string "bar"

E[foo*="bar"] an E element whose "foo" attribute value contains the substring "bar"

E[hreflang|="en"] an E element whose "hreflang" attribute has a hyphen-separated list of values beginning (from the left) with "en"

Class Selectors

E.warning an E element whose class is "warning" (the document language specifies how class is determined).

ID Selectors

E#myid an E element with ID equal to "myid".

Pseudo-Elements

First-Line Pseudo Element

E:first-line the first formatted line of an E element

First-Letter Pseudo Element

E:first-letter the first formatted letter of an E element

Selection Pseudo Elements

E:selection the portion of an E element that is currently selected/highlighted by the user

Before and After Pseudo Elements

E:before generated content before an E element

E:after generated content after an E element

Combinators

Descendant Combinator

E F an F element descendant of an E element

Child Combinator

E > F an F element child of an E element

Sibling Combinator

E + F an F element immediately preceded by an E element

General Sibling Combinator

E ~ F an F element preceded by an E element

Pseudo-Classes

Link Pseudo-Classes

E:link an E element being the source anchor of a hyperlink of which the target is not yet visited

E:visited an E element being the source anchor of a hyperlink of which the target is already visited

User-Action Pseudo-Classes

E:active an E element during active state (generally, while being clicked)

E:hover an E element during hover state

E:focus an E element with focus (most recently clicked element)

Target Pseudo-Class

E:target an E element being the target of the referring URI

Language Pseudo-Class

E:lang(fr) an element of type E in language "fr" (the document language specifies how language is determined)

UI Element States Pseudo-Class

E:enabled a user interface element E which is enabled

E:disabled a user interface element E which is disabled

E:checked a user interface element E which is checked (for instance a radio-button or checkbox)

Structural Pseudo-Classes

E:root an E element, root of the document

E:nth-child(n) an E element, the n-th child of its parent

E:nth-last-child(n) an E element, the n-th child of its parent, counting from the last one

E:nth-of-type(n) an E element, the n-th sibling of its type

E:nth-last-of-type(n) an E element, the n-th sibling of its type, counting from the last one

E:first-child an E element, first child of its parent

E:last-child an E element, last child of its parent

E:first-of-type an E element, first sibling of its type

E:last-of-type an E element, last sibling of its type

E:only-child an E element, only child of its parent

E:only-of-type an E element, only sibling of its type

E:empty an E element that has no children (including text nodes)

Negation Pseudo-Classes

E:not(s) an E element that does not match simple selector s