rem: GtkWidget *label, *hbox, *eb; GdkColor bg = { 0, 54016, 54016, 54016 };
add: GtkWidget *hbox, *eb; GtkStyle * style;
context: GtkWidget * create_main_widget ( void ){    GtkWidget *label, *hbox, *eb;    GdkColor bg = { 0, 54016, 54016, 54016 };    /* All stuff will be put in a huge vbox, with an hbox containing     * quick summary. */    main_vbox = gtk_vbox_new ( FALSE, 0 );    eb = gtk_event_box_new ();    hbox = gtk_hbox_new ( FALSE, 0 );    /* Create two arrows (dummy atm). */    gtk_box_pack_start ( GTK_BOX(hbox), gtk_arrow_new ( GTK_ARROW_LEFT,GTK_SHADOW_OUT ), 			 FALSE, FALSE, 0 );    gtk_box_pack_start ( GTK_BOX(hbox), gtk_arrow_new ( GTK_ARROW_RIGHT,GTK_SHADOW_OUT ), 			 FALSE, FALSE, 3 );    /* Define labels (dummy atm). */    label = gtk_label_new ( "" );    gtk_label_set_markup ( GTK_LABEL(label), 			   g_strconcat ( "<b>", "Opérations du compte : compte courant",					 "</b>", NULL ) );    gtk_label_set_justify ( GTK_LABEL(label), GTK_JUSTIFY_LEFT );    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);    gtk_box_pack_start ( GTK_BOX(hbox), label, TRUE, TRUE, 3 );    label = gtk_label_new ("");    gtk_label_set_markup ( GTK_LABEL(label), g_strconcat ( "<b>",							   "Solde: 1000 €",							   "</b>", NULL ) );    gtk_box_pack_start ( GTK_BOX(hbox), label, FALSE, FALSE, 0 );    /* Change color with an event box trick. */    gtk_widget_modify_bg ( eb, 0, &bg );    gtk_container_add ( GTK_CONTAINER ( eb ), hbox );    gtk_container_set_border_width ( GTK_CONTAINER ( hbox ), 6 );    gtk_box_pack_start ( GTK_BOX(main_vbox), eb, FALSE, FALSE, 0 );    gtk_widget_show_all ( eb );    /* Then create and fill the main hpaned. */    main_hpaned = gtk_hpaned_new ();    gtk_box_pack_start ( GTK_BOX(main_vbox), main_hpaned, TRUE, TRUE, 0 );    gtk_paned_add1 ( GTK_PANED( main_hpaned ), create_navigation_pane ( ) );    gtk_paned_add2 ( GTK_PANED( main_hpaned ), create_main_notebook ( ) );    gtk_container_set_border_width ( GTK_CONTAINER ( main_hpaned ), 6 );    main_statusbar = gtk_statusbar_new ();    gtk_box_pack_start ( GTK_BOX(main_vbox), main_statusbar, FALSE, FALSE, 0 );    gtk_widget_show ( notebook_general );    gtk_widget_show ( main_vbox );    gtk_widget_show ( main_hpaned );    gtk_widget_show ( main_statusbar );    return main_vbox;}