diff --git a/lib/models/Banner.class.php b/lib/models/Banner.class.php
index 8c283e540d8fdcfd4c0162804f2bbfd364bad5b9..7f3309bfaf3eaf94fa37a25e8a8abc9d6410ac79 100644
--- a/lib/models/Banner.class.php
+++ b/lib/models/Banner.class.php
@@ -226,6 +226,6 @@ class Banner extends SimpleORMap
         $this->views += 1;
         $this->store();
 
-        return sprintf('<div style="padding: 5px; text-align: center;">%s</div>', $link);
+        return sprintf('<div class="studip-banner">%s</div>', $link);
    }
 }
diff --git a/resources/assets/stylesheets/scss/start.scss b/resources/assets/stylesheets/scss/start.scss
index 29a3f2762e604caa3090902a55f66fcdd0cf90c8..d3539f5f2dce18cf2d4c517257138646eace67b4 100644
--- a/resources/assets/stylesheets/scss/start.scss
+++ b/resources/assets/stylesheets/scss/start.scss
@@ -213,3 +213,12 @@ div.available-widgets {
         }
     }
 }
+
+
+.studip-banner {
+    padding-bottom: 5px;
+    text-align: center;
+    img {
+        max-width: 100%;
+    }
+}