diff --git a/src/app/@theme/components/header/header.component.scss b/src/app/@theme/components/header/header.component.scss
index f297c98f..7f49558d 100644
--- a/src/app/@theme/components/header/header.component.scss
+++ b/src/app/@theme/components/header/header.component.scss
@@ -47,8 +47,13 @@
     line-height: 1;
 
     i {
-      color: nb-theme(toggle-layout-color);
+      color: nb-theme(color-success);
       font-size: 1.75rem;
+
+      @include nb-for-theme(cosmic) {
+        color: nb-theme(link-color-active);
+        text-shadow: 0 0 12px rgba(nb-theme(color-fg-highlight), 0.4);
+      }
     }
   }
 }
diff --git a/src/app/@theme/styles/themes.scss b/src/app/@theme/styles/themes.scss
index 7365d0f4..1aa823cb 100644
--- a/src/app/@theme/styles/themes.scss
+++ b/src/app/@theme/styles/themes.scss
@@ -12,8 +12,6 @@ $nb-themes: nb-register-theme((
   sidebar-header-height: initial,
   layout-content-width: 1400px,
 
-  toggle-layout-color: color-success,
-
   font-main: Roboto,
   font-secondary: Exo,
 ), default, default);
@@ -24,8 +22,6 @@ $nb-themes: nb-register-theme((
   sidebar-header-height: initial,
   layout-content-width: 1400px,
 
-  toggle-layout-color: link-color-active,
-
   font-main: Roboto,
   font-secondary: Exo,
 ), cosmic, cosmic);