diff --git a/src/styles/app.scss b/src/styles/app.scss
index bf72667..5641da5 100644
--- a/src/styles/app.scss
+++ b/src/styles/app.scss
@@ -53,10 +53,10 @@ body {
   display: flex;
 }
 
-a {
+a.external-link {
   text-decoration: underline;
 
-  &.external-link::after {
+  &::after {
     margin-left: 0.2rem;
     vertical-align: text-top;
     content: url('assets/icons/external-link.svg');