gtk:widget-class-css-name (gtype)

gtype -- a g:type-t type ID with the widget class to set the CSS name on
name -- a string with the CSS name

Accessor of the CSS name of the widget class. The gtk:widget-class-css-name function gets the name used by this class for matching in CSS code. The (setf gtk:widget-class-css-name) function sets the name. If this function is not called for a given class, the name of the parent class is used.