fixed #682

dialogs/preferencesdialog.cpp

@@ -660,7 +660,7 @@ void PreferencesDialog::setup_ui() {
   // Native menu styling is only available on Windows. Environments like Ubuntu and Mac use the native menu system by
   // default
   QCheckBox* native_menus = new QCheckBox(tr("Use Native Menu Styling"));
-  AddBoolPair(native_menus, &olive::CurrentConfig.use_native_menu_styling);
+  AddBoolPair(native_menus, &olive::CurrentConfig.use_native_menu_styling, true);
   appearance_layout->addWidget(native_menus, row, 0, 1, 3);
 
   row++;

ui/mainwindow.cpp

@@ -457,7 +457,8 @@ void MainWindow::Restyle()
         palette.setColor(QPalette::HighlightedText, Qt::white);
 
         // set default CSS
-        setStyleSheet("QPushButton::checked { background: rgb(25, 25, 25); }");
+        setStyleSheet("QPushButton::checked { background: rgb(25, 25, 25); }"
+                      "QMenu::separator { background: #404040; }");
 
       }