Mine

			style = MenuBar.get_style().copy()			color = style.bg[gtk.STATE_NORMAL]			color_map = MenuBar.get_colormap()			color = color_map.alloc_color(int(color.red-2500), int(color.green-2500), int(color.blue-2500))			style.bg[gtk.STATE_NORMAL] = color			MenuBar.set_style(style)