Loads the data contained in the resource at resource_path into the #GtkCssProvider, clearing any previously loaded information.
To track errors while loading CSS, connect to the #GtkCssProvider::parsing-error signal.
a #GResource resource path
Loads the data contained in the resource at resource_path into the #GtkCssProvider, clearing any previously loaded information.
To track errors while loading CSS, connect to the #GtkCssProvider::parsing-error signal.