diff --git a/nice_menus.module b/nice_menus.module
index 134f669..cb01e5b 100644
--- a/nice_menus.module
+++ b/nice_menus.module
@@ -419,6 +419,8 @@ function theme_nice_menus_build($menu, $depth = -1, $trail = NULL) {
       $first_class = $index == 1 ? ' first ' : '';
       $oddeven_class = $index % 2 == 0 ? ' even ' : ' odd ';
       $last_class = $index == $count ? ' last ' : '';
+      $current_depth = $menu_item['link']['depth'] - 1;
+      $current_depth_class = " depth-$current_depth ";
       // Build class name based on menu path
       // e.g. to give each menu item individual style.
       // Strip funny symbols.
@@ -435,7 +437,7 @@ function theme_nice_menus_build($menu, $depth = -1, $trail = NULL) {
         $children = theme('nice_menus_build', $menu_item['below'], $depth, $trail);
         // Set the class to parent only of children are displayed.
         $parent_class = ($children && ($menu_item['link']['depth'] <= $depth || $depth == -1)) ? 'menuparent ' : '';
-        $output .= '<li class="menu-' . $mlid . ' ' . $parent_class . $class . $first_class . $oddeven_class . $last_class .'">'. theme('menu_item_link', $menu_item['link']);
+        $output .= '<li class="menu-' . $mlid . ' ' . $parent_class . $class . $first_class . $oddeven_class . $current_depth_class . $last_class . '">'. theme('menu_item_link', $menu_item['link']);
         // Check our depth parameters.
         if ($menu_item['link']['depth'] <= $depth || $depth == -1) {
           // Build the child UL only if children are displayed for the user.
@@ -448,7 +450,7 @@ function theme_nice_menus_build($menu, $depth = -1, $trail = NULL) {
         $output .= "</li>\n";
       }
       else {
-        $output .= '<li class="menu-' . $mlid . ' ' . $class . $first_class . $oddeven_class . $last_class .'">'. theme('menu_item_link', $menu_item['link']) .'</li>'."\n";
+        $output .= '<li class="menu-' . $mlid . ' ' . $class . $first_class . $oddeven_class . $current_depth_class . $last_class . '">'. theme('menu_item_link', $menu_item['link']) .'</li>'."\n";
       }
     }
   }