3 files changed, 14 insertions, 1 deletions
diff --git a/mate-panel/libmate-panel-applet-private/panel-applet-frame-dbus.c b/mate-panel/libmate-panel-applet-private/panel-applet-frame-dbus.c
index 9330db0d..8aecbf77 100644
--- a/mate-panel/libmate-panel-applet-private/panel-applet-frame-dbus.c
+++ b/mate-panel/libmate-panel-applet-private/panel-applet-frame-dbus.c
@@ -383,6 +383,11 @@ mate_panel_applet_frame_dbus_class_init (MatePanelAppletFrameDBusClass *class)
 frame_class->change_size = mate_panel_applet_frame_dbus_change_size;
 frame_class->change_background = mate_panel_applet_frame_dbus_change_background;
 
+#if GTK_CHECK_VERSION (3, 19, 0)
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+ gtk_widget_class_set_css_name (widget_class, "MatePanelAppletFrameDBus");
+#endif
+
 g_type_class_add_private (class, sizeof (MatePanelAppletFrameDBusPrivate));
 }
 
diff --git a/mate-panel/panel-separator.c b/mate-panel/panel-separator.c
index 7583e199..ff0cac37 100644
--- a/mate-panel/panel-separator.c
+++ b/mate-panel/panel-separator.c
@@ -261,7 +261,11 @@ panel_separator_class_init (PanelSeparatorClass *klass)
 widget_class->size_allocate = panel_separator_size_allocate;
 widget_class->parent_set = panel_separator_parent_set;
 
- g_type_class_add_private (klass, sizeof (PanelSeparatorPrivate));
+#if GTK_CHECK_VERSION (3, 19, 0)
+ gtk_widget_class_set_css_name (widget_class, "PanelSeparator");
+#endif
+
+ g_type_class_add_private (klass, sizeof (PanelSeparator));
 }
 
 static void
diff --git a/mate-panel/panel-toplevel.c b/mate-panel/panel-toplevel.c
index 44f672af..ec603405 100644
--- a/mate-panel/panel-toplevel.c
+++ b/mate-panel/panel-toplevel.c
@@ -4500,6 +4500,10 @@ panel_toplevel_class_init (PanelToplevelClass *klass)
 widget_class->focus_in_event = panel_toplevel_focus_in_event;
 widget_class->focus_out_event = panel_toplevel_focus_out_event;
 
+#if GTK_CHECK_VERSION (3, 19, 0)
+ gtk_widget_class_set_css_name (widget_class, "PanelToplevel");
+#endif
+
 container_class->check_resize = panel_toplevel_check_resize;
 
 klass->hiding = NULL;