diff -Naur gnome-activity-journal-0.8.0.orig/src/activity_widgets.py gnome-activity-journal-0.8.0/src/activity_widgets.py
--- gnome-activity-journal-0.8.0.orig/src/activity_widgets.py	2011-07-16 17:58:23.000000000 +0200
+++ gnome-activity-journal-0.8.0/src/activity_widgets.py	2011-11-15 02:15:30.603371223 +0100
@@ -1689,7 +1689,6 @@
         context = widget.window.cairo_create()
         layout = self.create_pango_layout("   ")
         width = event.area.width
-        widget.style.set_background(window, gtk.STATE_NORMAL)
         context.set_source_rgba(*self.line_color)
         context.set_line_width(2)
         self.draw_lines(window, context, layout, width)
diff -Naur gnome-activity-journal-0.8.0.orig/src/histogram.py gnome-activity-journal-0.8.0/src/histogram.py
--- gnome-activity-journal-0.8.0.orig/src/histogram.py	2011-05-21 14:29:27.000000000 +0200
+++ gnome-activity-journal-0.8.0/src/histogram.py	2011-11-15 02:15:37.776270364 +0100
@@ -157,7 +157,6 @@
         """
         The major drawing method that the expose event calls directly
         """
-        widget.style.set_background(widget.window, gtk.STATE_NORMAL)
         context = widget.window.cairo_create()
         self.expose(widget, event, context)
 
diff -Naur gnome-activity-journal-0.8.0.orig/src/supporting_widgets.py gnome-activity-journal-0.8.0/src/supporting_widgets.py
--- gnome-activity-journal-0.8.0.orig/src/supporting_widgets.py	2011-05-21 14:29:27.000000000 +0200
+++ gnome-activity-journal-0.8.0/src/supporting_widgets.py	2011-11-15 02:15:45.059162848 +0100
@@ -94,7 +94,6 @@
         self.context = context
 
         self.font_name = self.style.font_desc.get_family()
-        widget.style.set_background(widget.window, gtk.STATE_NORMAL)
 
         # set a clip region for the expose event
         context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height)