[gnome-flashback] desktop: set css name for desktop window

[Alberts Muktupāvels <muktupavels src gnome org>]

commit da31fe7e99c2df05df3e767b25d72272ff26e0da
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Oct 30 13:17:20 2019 +0200

    desktop: set css name for desktop window

 gnome-flashback/libdesktop/gf-desktop-window.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gnome-flashback/libdesktop/gf-desktop-window.c b/gnome-flashback/libdesktop/gf-desktop-window.c
index 40f32d3..1914099 100644
--- a/gnome-flashback/libdesktop/gf-desktop-window.c
+++ b/gnome-flashback/libdesktop/gf-desktop-window.c
@@ -528,6 +528,8 @@ gf_desktop_window_class_init (GfDesktopWindowClass *self_class)
 
   install_properties (object_class);
   install_signals ();
+
+  gtk_widget_class_set_css_name (widget_class, "gf-desktop-window");
 }
 
 static void