Externe Links mit FontAwesome auszeichnen

.entry p a[href^="http:"]:after, .entry p a[href^="https:"]:after {
    color: #5FB5BA;
    content: "\f08e";
    font-family: FontAwesome;
    font-size: 12px;
    font-style: normal;
    left: 2px;
    position: relative;
    top: -4px;
}