Style Link Based On Filetypes

CSS CODE

/* external links */
a[href^="http://"] {
padding-right: 13px;
background: url('external.gif') no-repeat center right;
}

/* emails */
a[href^="mailto:"] {
padding-right: 20px;
background: url('email.png') no-repeat center right;
}

/* pdfs */
a[href$=".pdf"] {
padding-right: 18px;
background: url('acrobat.png') no-repeat center right;
}

Style Link Based On Filetypes