Şurda dursun da ilerde lazım olur bunlar.
a[target="_blank"]:after {}a[target="_blank"]:after {
content: " (external)";
}a[target="_blank"]:after {
content: url(IMAGEURL);
}a[target="_blank"]:after {
font-family: 'FontAwesome';
content: " \f08e";
}a:not([href*='yourdomain.com']):not([href^='#']):not([href^='/']):after {}