a[href^="http://"]

{

padding-right: 13px;

background: url(external.gif) no-repeat center right;

}

 

a[href^="mailto:"]

{

padding-right: 20px;

background: url(email.png) no-repeat center right;

}

 

a[href$=".pdf"]

{

padding-right: 18px;

background: url(acrobat.png) no-repeat center right;

}