diff --git a/resources/components/navigation.less b/resources/components/navigation.less
index 3f03483f..29785531 100644
--- a/resources/components/navigation.less
+++ b/resources/components/navigation.less
@@ -312,11 +312,11 @@
   .mw-header-container {
     background: @base-100;
 
-    .nav-down {
+    &.nav-down {
       border-bottom: 1px solid @base-80;
       .boxshadow(2);
     }
-    .nav-up {
+    &.nav-up {
       box-shadow: none;
     }
   }