Converts the provider into a string representation in CSS format.
Using CssProvider.loadFromData with the return value from this function on a new provider created with CssProvider.new will basically create a duplicate of this provider.
a new string representing the provider.
3.2
Converts the provider into a string representation in CSS format.
Using CssProvider.loadFromData with the return value from this function on a new provider created with CssProvider.new will basically create a duplicate of this provider.