diff --git a/source/menu_os.cc b/source/menu_os.cc
index 453529c..35f96d8 100644
--- a/source/menu_os.cc
+++ b/source/menu_os.cc
@@ -36,6 +36,8 @@ void Menu_os::init() {
         builder_level_1->get_widget("lblRevL1", map_menu_level_1[key]->lblRevL1);
         builder_level_1->get_widget("btnToL2AndLv3", map_menu_level_1[key]->btnToL2AndLv3);
         builder_level_1->get_widget("boxMenuLevel1", map_menu_level_1[key]->boxMenuLevel1);
+        map_menu_level_1[key]->btnToL2AndLv3_css = map_menu_level_1[key]->btnToL2AndLv3->get_style_context();
+        map_menu_level_1[key]->btnToL2AndLv3_css->add_class("noborder");
         map_menu_level_1[key]->builder = builder_level_1;
         map_menu_level_1[key]->lblRevL1->set_text(key);
         boxLevel1->pack_end(*(map_menu_level_1[key]->boxMenuLevel1));
@@ -44,16 +46,16 @@ void Menu_os::init() {
         sigc::bind<Gtk::Label*, string&, string&> (sigc::mem_fun( *this, 
         &Menu_os::event_template), map_menu_level_1[key]->lblRevL1,
         name_level_1, map_menu_level_1[key]->name));
-        
-        
         if (vec_value.size()!= 0) {
             builder_level_1->get_widget("revealerL3", map_menu_level_1[key]->revealer);
             builder_level_1->get_widget("boxLevel3", map_menu_level_1[key]->boxLevel3);
+            boxALLL3->pack_start(*(map_menu_level_1[key]->revealer));
         }
         else {
             map_menu_level_1[key]->revealer = NULL;
             map_menu_level_1[key]->boxLevel3 = NULL;
         }
+        
         size_t index_l3 = 0;
         for (string& str_level_2: vec_value) {
             auto builder_level_3 = Gtk::Builder::create_from_file(path_glade);
@@ -62,6 +64,9 @@ void Menu_os::init() {
                 map_menu_level_1[key]->vec_menu_level_3[index_l3]->btnToL3);
             builder_level_3->get_widget("lblToL3",
                 map_menu_level_1[key]->vec_menu_level_3[index_l3]->lblToL3);
+            map_menu_level_1[key]->vec_menu_level_3[index_l3]->btnToL3_css = 
+                    map_menu_level_1[key]->vec_menu_level_3[index_l3]->btnToL3->get_style_context();
+            map_menu_level_1[key]->vec_menu_level_3[index_l3]->btnToL3_css->add_class("noborder");
             map_menu_level_1[key]->vec_menu_level_3[index_l3]->lblToL3->set_text(str_level_2);
             map_menu_level_1[key]->boxLevel3->pack_start(
                 *(map_menu_level_1[key]->vec_menu_level_3[index_l3]->btnToL3));
@@ -69,18 +74,22 @@ void Menu_os::init() {
                 sigc::bind<Gtk::Label*, string&, string&> (sigc::mem_fun(*this, 
                 &Menu_os::event_template), map_menu_level_1[key]->vec_menu_level_3[index_l3]->lblToL3,
                 name_level_3, map_menu_level_1[key]->name));
-            map_menu_level_1[key]->vec_menu_level_3[index_l3]->builder = builder_level_3;
-            boxALLL3->pack_start(
-                *(map_menu_level_1[key]->revealer));
+            map_menu_level_1[key]->vec_menu_level_3[index_l3]->builder_level_3 = builder_level_3;
             index_l3 += 1;
             
         }
-        
         index_l1 += 1;
     }
 }
-    
+void Menu_os::close_revealer() {
+    for (auto& [key, values]: map_menu_level_1) {
+        if (values->revealer != NULL) {
+            values->revealer->set_reveal_child(false);
+        }
+    }
+}
 void Menu_os::show() {
+    this->close_revealer();
     revealerL1->set_reveal_child(true);
     revealerL2->set_reveal_child(false);
     popoverMenuOS->show_all();
@@ -94,22 +103,25 @@ void Menu_os::set_entry(Gtk::Entry *entry) {
 void Menu_os::event_template(Gtk::Label* label, string& name_level, string& key) {
     name_level = label->get_label();
     key_global = key;
-    entry->set_text(name_level_1 + name_level_3);
+    
     Gtk::Revealer *revealer = map_menu_level_1[key]->revealer;
     if (&name_level == &name_level_1 && map_menu_level_1[key]->vec_menu_level_3.size() != 0) {
+        this->close_revealer();
         revealerL1->set_reveal_child(false);
         revealerL2->set_reveal_child(true);
         revealer->set_reveal_child(true);
+        name_level_3 = "";
+        entry->set_text(name_level_1);
     }
     else {
         popoverMenuOS->hide();
+        entry->set_text(name_level_1 + name_level_3);
     }
 }
 void Menu_os::to_l1() {
     revealerL1->set_reveal_child(true);
     revealerL2->set_reveal_child(false);
     map_menu_level_1[key_global]->revealer->set_reveal_child(false);
-    cout << key_global << endl;
     key_global = "";
 }
 
diff --git a/source/menu_os.h b/source/menu_os.h
index a94810a..afa5373 100644
--- a/source/menu_os.h
+++ b/source/menu_os.h
@@ -29,7 +29,8 @@ private:
         struct struct_menu_level_3 {
             Gtk::Button *btnToL3;
             Gtk::Label *lblToL3;
-            Glib::RefPtr<Gtk::Builder> builder;
+            Glib::RefPtr<Gtk::Builder> builder_level_3;
+            Glib::RefPtr<Gtk::StyleContext> btnToL3_css;
         };
         struct struct_menu_level1 {
             Gtk::Label *lblRevL1;
@@ -40,9 +41,9 @@ private:
             string name;
             Glib::RefPtr<Gtk::Builder> builder;
             vector<struct struct_menu_level_3*> vec_menu_level_3;
+            Glib::RefPtr<Gtk::StyleContext> btnToL2AndLv3_css;
         };
         
-        struct struct_menu_level1 *obj_struct_menu_level1;
         std::map<string, struct struct_menu_level1*> map_menu_level_1;
         
 
@@ -52,6 +53,7 @@ public:
     void set_map(std::map <string, vector<string>> &map_list_os);
     void init();
     void show();
+    void close_revealer();
     void settings();
     void set_entry(Gtk::Entry *entry);
     void event_template(Gtk::Label* label, string& name_level, string& key);