+ minimized menu

Plugin.php

@@ -6,13 +6,16 @@ use Backend\Classes\Controller as BackendController;
 use Cms\Classes\Controller as CmsController;
 use Cms\Classes\Page as CmsPage;
 use System\Classes\PluginBase;
+use System\Traits\AssetMaker;
 
 /**
  * Menu Plugin Information File
  */
 class Plugin extends PluginBase
 {
-    protected const ICON = 'icon-sliders';
+    const ICON = 'icon-sliders';
+
+    use AssetMaker;
 
     /**
      * @var CmsController
@@ -77,6 +80,12 @@ class Plugin extends PluginBase
             $config = $page->theme->getConfig();
             $page->theme->menu = $this->getMenu(optional($config)['menu'] ?: [], !!optional($config)['pageTitleMoreImportant']);
         });
+
+        \Event::listen('backend.page.beforeDisplay', function($controller, $action, $params) {
+            $this->addCss('/plugins/wms/menu/assets/css/_wms_extend_menu.css');
+
+            \Block::append('head', $this->makeAssets('css'));
+        });
     }
 
     public function registerNavigation()