@namespace foo url(http://www.example.com);@namespace ack "http://www.contoso.com";*{}E{}E[foo]{}E[foo="bar"]{}E[foo~="bar"]{}E[foo^="bar"]{}E[foo$="bar"]{}E[foo*="bar"]{}E[foo|="bar"]{}E:root{}E:nth-child(n){}E:nth-last-child(n){}E:nth-of-type(n){}E:nth-last-of-type(n){}E:first-child{}E:last-child{}E:first-of-type{}E:last-of-type{}E:only-child{}E:only-of-type{}E:empty{}E:link{}E:visited{}E:active{}E:hover{}E:focus{}E:target{}E:lang(fr){}E:enabled{}E:disabled{}E:checked{}E::first-line {}E::first-letter {}E::before{}E::after{}E.warning{}E#myid{}E:not(s){}E F{}E>F{}E+F{}E~F{}E.one.two{}E:nth-of-type(2n){float:left}E:nth-of-type(2n+1){float:right}:nth-child(3n+1){}:nth-child(+3n-2){}:nth-child(-n+6){}:nth-child(+6){}*:target{color:red}*:target::before{content:url(target.png)}foo|h1{color:blue}foo|*{color:#ff0}|h1{color:red}*|h1{color:green}h1{color:green}