diff --git a/css/area_main-sidebar-nav.less b/css/area_main-sidebar-nav.less
index 8eecd0c..19408e7 100755
--- a/css/area_main-sidebar-nav.less
+++ b/css/area_main-sidebar-nav.less
@@ -90,7 +90,12 @@
         border-radius: 0.5rem;
 
         &.themeToggle input {
-            display: none;
+            width: 0;
+            height: 0;
+            margin: 0;
+            padding: 0;
+            display: block;
+            opacity: 0;
         }
 
         // the toggle element