Made slight changes to the .css files nad MainWindow.ui.

files/styles/style-indoor.css

@@ -248,18 +248,16 @@ QMenu::separator {
  }
 
 QMenuBar::item:disabled {
-  border: none;
-  background: none;
+    border: none;
+    background: none;
 }
-
-QMenuBar::item:diabled:selected {
-  border: none;
-  background: none;
+QMenuBar::item:disabled:selected {
+    border: none;
+    background: none;
 }
-
 QMenuBar::item:disabled:pressed {
-  background: none;
-  border: none;
+    background: none;
+    border: none;
 }
 
 QSlider::groove:horizontal {

files/styles/style-outdoor.css

@@ -88,18 +88,16 @@ border: 1px solid #111111;
  }
 
 QMenuBar::item:disabled {
-  border: none;
-  background: none;
+    border: none;
+    background: none;
 }
-
-QMenuBar::item:diabled:selected {
-  border: none;
-  background: none;
+QMenuBar::item:disabled:selected {
+    border: none;
+    background: none;
 }
-
 QMenuBar::item:disabled:pressed {
-  background: none;
-  border: none;
+    background: none;
+    border: none;
 }
 
  QDockWidget {

src/ui/MainWindow.ui

@@ -51,7 +51,7 @@
      <x>0</x>
      <y>0</y>
      <width>800</width>
-     <height>25</height>
+     <height>22</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuMGround">