little style changes

main/ui/main_window.glade

@@ -685,6 +685,9 @@
                 <property name="homogeneous">True</property>
               </packing>
             </child>
+            <style>
+              <class name="primary-toolbar"/>
+            </style>
           </object>
           <packing>
             <property name="expand">False</property>

main/ui/satellites_dialog.glade

@@ -422,6 +422,9 @@
                     <property name="homogeneous">True</property>
                   </packing>
                 </child>
+                <style>
+                  <class name="primary-toolbar"/>
+                </style>
               </object>
               <packing>
                 <property name="expand">False</property>

main/ui/satellites_dialog.py

@@ -31,6 +31,7 @@ class SatellitesDialog:
 
         self._dialog = builder.get_object("satellites_editor_dialog")
         self._dialog.set_transient_for(transient)
+        self._dialog.get_content_area().set_border_width(0)  # The width of the border around the main dialog area!
         self._stores = {3: builder.get_object("pol_store"),
                         4: builder.get_object("fec_store"),
                         5: builder.get_object("system_store"),
@@ -227,4 +228,4 @@ class SatelliteDialog:
 
 
 if __name__ == "__main__":
-    pass
+    Gtk.STYLE_CLASS_VIEW