diff --git a/frontend/src/assets/scss/auth-navbar.scss b/frontend/src/assets/scss/auth-navbar.scss
index 7fce0520c..1dcd038d5 100644
--- a/frontend/src/assets/scss/auth-navbar.scss
+++ b/frontend/src/assets/scss/auth-navbar.scss
@@ -5,3 +5,9 @@
 .auth-navbar > a.router-link-exact-active {
   color: #383838;
 }
+
+.auth-template a:hover,
+.auth-template .btn:hover,
+.auth-template .language-switch .locales:hover {
+  text-decoration: underline;
+}
diff --git a/frontend/src/assets/scss/custom/gradido-custom/_color.scss b/frontend/src/assets/scss/custom/gradido-custom/_color.scss
index ca57cea6d..b741f6be3 100644
--- a/frontend/src/assets/scss/custom/gradido-custom/_color.scss
+++ b/frontend/src/assets/scss/custom/gradido-custom/_color.scss
@@ -19,7 +19,7 @@ $gradido-205: rgb(205 86 86) ;
 $gradido-197: rgb(197 141 56) ;
 $gradido-209: rgb(209 209 209) ;
 $gradido-4: rgb(4 112 6) ;
-$gradido-56: rgb(56, 56, 56) ;
+$gradido-56: rgb(56 56 56) ;
 $black: #000 ;
 $grays: () ;
 $grays: map.merge(
diff --git a/frontend/src/assets/scss/custom/gradido-custom/_links.scss b/frontend/src/assets/scss/custom/gradido-custom/_links.scss
index 7a0474cef..d7d5e1a1a 100644
--- a/frontend/src/assets/scss/custom/gradido-custom/_links.scss
+++ b/frontend/src/assets/scss/custom/gradido-custom/_links.scss
@@ -4,5 +4,5 @@
 $link-color: $gradido-4;
 $link-decoration: none ;
 $link-hover-color: $gradido-56;
-$link-hover-decoration: none ;
+$link-hover-decoration: underline;
 $link-active-color: $gradido-56;