diff --git a/app/static/css/main.css b/app/static/css/main.css
index 1f4b273..d5db682 100644
--- a/app/static/css/main.css
+++ b/app/static/css/main.css
@@ -39,13 +39,13 @@
     color: #4CAF50; /* Primary color */
 }
 
-/* Fix for sidebar tree view */
-.sidebar-hidden .sidebar {
+/* Fix for sidebar hiding */
+.sidebar-hidden aside {
     transform: translateX(-100%);
 }
 
 .sidebar-hidden main {
-    margin-left: 0;
+    margin-left: 0 !important;
 }
 
 /* Category tree styling */