Style Links Depending on Destination

links.styl

a
	&[href^="http://"]
		/* fully valid URL, likely external link */

	&[href="http://google.com"]
		/* link to specific website */

	&[href^="/"], a[href^=".."]
		/* internal relative link */

	&[href^="mailto:"]
		/* email link */

	&[href$=".pdf"]
		/* PDF file */

	&[href$=".doc"]
		/* Microsoft Word document */

	&[href$=".mp3"]
		/* Music file */

	&[href$=".zip"]
		/* Archive file */