diff -upr mate-control-center/font-viewer/sushi-font-widget.c mate-control-center-test/font-viewer/sushi-font-widget.c

--- mate-control-center/font-viewer/sushi-font-widget.c	2015-08-30 16:11:36.230317249 +0200

+++ mate-control-center-test/font-viewer/sushi-font-widget.c	2015-08-30 16:05:12.286147000 +0200

@@ -474,13 +474,20 @@ sushi_font_widget_draw (GtkWidget *drawi

   GdkRGBA color;

   GtkBorder padding;

   GtkStateFlags state;

-  gint allocated_height;

+  gint allocated_width, allocated_height;

   if (face == NULL)

     goto end;

   context = gtk_widget_get_style_context (drawing_area);

   state = gtk_style_context_get_state (context);

+

+  allocated_width = gtk_widget_get_allocated_width (drawing_area);

+  allocated_height = gtk_widget_get_allocated_height (drawing_area);

+

+  gtk_render_background (context, cr,

+                         0, 0, allocated_width, allocated_height);

+

   gtk_style_context_get_color (context, state, &color);

   gtk_style_context_get_padding (context, state, &padding);

@@ -492,8 +499,6 @@ sushi_font_widget_draw (GtkWidget *drawi

   cairo_set_font_face (cr, font);

   cairo_font_face_destroy (font);

-  allocated_height = gtk_widget_get_allocated_height (drawing_area);

-

   /* draw text */

   if (self->priv->font_name != NULL) {

@@ -596,6 +601,9 @@ sushi_font_widget_init (SushiFontWidget

   if (err != FT_Err_Ok)

     g_error ("Unable to initialize FreeType");

+

+  gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (self)),

+                               GTK_STYLE_CLASS_VIEW);

 }

 static void