Corected menubar colour

usr/share/icons/lubuntu/index.theme

@@ -1,8 +1,7 @@
 [Icon Theme]
 Name=Lubuntu Box
-Comment=Just an icon theme for Lubuntu
+Comment=Theme for Lubuntu, by Rafael Laguna & Alexander Andjelkovic
 Inherits=elementary
-Example=directory-x-normal
 
 # Directory list
 Directories=actions/16,actions/22,actions/24,apps/16,apps/24,apps/48,apps/64,apps/128,categories/16,categories/32,devices/16,devices/22,devices/24,devices/48,devices/64,emblems/24,mimes/16,mimes/22,mimes/24,mimes/48,panel/16,panel/22,places/16,places/22,places/24,places/48,places/64,places/128,status/22,status/24,

usr/share/themes/Lubuntu-default/gtk-3.0/gtk-widgets.css

@@ -876,7 +876,7 @@ GtkComboBox .menu {
  ***********/
 .menubar {
     -GtkWidget-window-dragging: true;
-    background-color: @dark_bg_color;
+    background-color: @bg_color;
     background-image: none;
     border-width: 0;
     color: @dark_fg_color;