diff --git a/src/_sass/gtk/apps/_gnome-4.0.scss b/src/_sass/gtk/apps/_gnome-4.0.scss
index b506b83..e1bfed5 100644
--- a/src/_sass/gtk/apps/_gnome-4.0.scss
+++ b/src/_sass/gtk/apps/_gnome-4.0.scss
@@ -40,9 +40,12 @@
       > viewport {
         > list.navigation-sidebar {
           padding: 16px 0 16px 0;
+          background: none;
+
           @if ($theme == 'nord') {
             background: background(e);
           }
+
           border-radius: $window-radius - $space-size;
 
           > separator { background: none; }
@@ -124,9 +127,11 @@
 
               > revealer > box {
                 color: $primary;
+
                 @if ($theme == 'nord') {
                   background: background(g);
-                } @else{
+                } @else {
+                  background-color: $base;
                   border-image-width: 10px 10px 10px 46px;
                   border-image-slice: 10 10 10 46;
                   border-image-repeat: stretch;