Method add_class

src/textual/css/query.py:390–394

Add the given class name(s) to nodes.

(self, *class_names: str)

        return self

    def add_class(self, *class_names: str) -> DOMQuery[QueryType]:
        """Add the given class name(s) to nodes."""
        for node in self:
            node.add_class(*class_names)
        return self

    def remove_class(self, *class_names: str) -> DOMQuery[QueryType]:
        """Remove the given class names from the nodes."""