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Showing Attributes Content After Element (like Link Hreflang)

02.02.2006
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        You can use pseudo-elements to insert content via CSS, and you can retrieve elements attributes to show them as new pseudo-elements.

Example : show links hreflang attribute.

XHTML :
<a href="" hreflang="fr">a link to a french page</a>
CSS :
a:after {
	content: attr(hreflang);
	color: #999;
	margin-left: 0.2em;
}