CSS Selectors Cheat Sheet

*	Matches any element.
E	Matches any E element (i.e., an element of type E).
E F	Matches any F element that is a descendant of an E element.
E > F	Matches any F element that is a child of an element E.
E:first-child	Matches element E when E is the first child of its parent.
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). 	
E:active
E:hover
E:focus 	Matches E during certain user actions.
E:lang(c) 	Matches element of type E if it is in (human) language c (the document language specifies how language is determined).
E + F	Matches any F element immediately preceded by a sibling element E.
E[foo]	Matches any E element with the "foo" attribute set (whatever the value).
E[foo="warning"]	Matches any E element whose "foo" attribute value is exactly equal to "warning".
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".
E[lang|="en"]	Matches any E element whose "lang" attribute has a hyphen-separated list of values beginning (from the left) with "en".
DIV.warning	Language specific. (In HTML, the same as DIV[class~="warning"].)
E#myid	Matches any E element with ID equal to "myid".