added main menu image, put all the main menu navigation under main menu screen code

screens.rpy

@@ -422,26 +422,27 @@ screen main_menu():
 
     add gui.main_menu_background
 
-    ## This empty frame darkens the main menu.
-    frame:
-        style "main_menu_frame"
+    vbox:
+        style_prefix "navigation"
+
+        xpos gui.navigation_xpos
+        yalign 0.5
+
+        spacing gui.navigation_spacing
+
+        textbutton _("Start") action Start()
+        textbutton _("Load") action ShowMenu("load")
+        textbutton _("Preferences") action ShowMenu("preferences")
+        textbutton _("About") action ShowMenu("about")
+        textbutton _("Help") action ShowMenu("help")
+        textbutton _("Quit") action Quit(confirm=not main_menu)
 
-    ## The use statement includes another screen inside this one. The actual
-    ## contents of the main menu are in the navigation screen.
-    use navigation
-    
 style main_menu_frame is empty
 style main_menu_vbox is vbox
 style main_menu_text is gui_text
 style main_menu_title is main_menu_text
 style main_menu_version is main_menu_text
 
-style main_menu_frame:
-    xsize 280
-    yfill True
-
-    background "gui/overlay/main_menu.png"
-
 style main_menu_vbox:
     xalign 1.0
     xoffset -20