--- a/ui/gtk/toolkit.h	Thu Oct 03 18:52:51 2024 +0200
+++ b/ui/gtk/toolkit.h	Sun Oct 06 18:18:04 2024 +0200
@@ -65,6 +65,7 @@
 #define SCROLLEDWINDOW_SET_CHILD(sw, child) gtk_scrolled_window_set_child(GTK_SCROLLED_WINDOW(sw), child)
 #define SCROLLEDWINDOW_GET_CHILD(sw) gtk_scrolled_window_get_child(GTK_SCROLLED_WINDOW(sw))
 #define WIDGET_ADD_CSS_CLASS(w, cssclass) gtk_widget_add_css_class(w, cssclass)
+#define WIDGET_REMOVE_CSS_CLASS(w, cssclass) gtk_widget_remove_css_class(w, cssclass)
 #else
 #define WINDOW_SHOW(window) gtk_widget_show_all(window)
 #define WINDOW_DESTROY(window) gtk_widget_destroy(window)
@@ -76,6 +77,7 @@
 #define SCROLLEDWINDOW_SET_CHILD(sw, child) gtk_container_add(GTK_CONTAINER(sw), child)
 #define SCROLLEDWINDOW_GET_CHILD(sw) gtk_bin_get_child(GTK_BIN(sw))
 #define WIDGET_ADD_CSS_CLASS(w, cssclass) gtk_style_context_add_class(gtk_widget_get_style_context(w), cssclass)
+#define WIDGET_REMOVE_CSS_CLASS(w, cssclass) gtk_style_context_remove_class(gtk_widget_get_style_context(w), cssclass)
 #endif
     
 #ifdef UI_GTK2