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a[href^="http://"]:after {
  content: "\f08e";
  font-family: FontAwesome;
  font-weight: normal;
  font-style: normal;
  display: inline-block;
  text-decoration: none;
  padding-left: 3px;
}
/* Strip from links to own domain or with class no_icon */
a[href^="http://own-domain.com"]:after,
a.no_icon:after {
  content:"" !important;
  padding-left: 0;
}