diff --git a/assets/css/_base.scss b/assets/css/_base.scss
index f6b0db7..6aee7d2 100644
--- a/assets/css/_base.scss
+++ b/assets/css/_base.scss
@@ -27,15 +27,10 @@ a {
   }
 }
 
-a.external {
-  background-image: url(/images/external-link.svg?uNJ);
-  background-position: center right;
-  background-repeat: no-repeat;
-  background-size: 0.857em;
-  padding-right: 1em;
+a.external:after {
+  content: url(/images/external-link.svg?uNJ);
 }
 
-
 // Browsers seem to use a smaller default font-size with monospaced code
 // blocks (like 80% of the size of normal text) and that looks pretty bad with
 // small inline code-blocks in the middle of normal text (mainly because of