Converts the provider into a string representation in CSS format.
Using gtk.css_provider.CssProvider.loadFromString with the return value from this function on a new provider created with gtk.css_provider.CssProvider.new_ will basically create a duplicate of this provider.
a new string representing the provider.
Converts the provider into a string representation in CSS format.
Using gtk.css_provider.CssProvider.loadFromString with the return value from this function on a new provider created with gtk.css_provider.CssProvider.new_ will basically create a duplicate of this provider.