showing attributes content after element (like link hreflang)
Example : show links hreflang attribute.
XHTML :
1 2 <a href="" hreflang="fr">a link to a french page</a>
CSS :
1 2 a:after { 3 content: attr(hreflang); 4 color: #999; 5 margin-left: 0.2em; 6 }