Missing Method in GalleryController

Error: The action css is not defined in controller GalleryController

Error: Create GalleryController::css() in file: app/controllers/gallery_controller.php.

<?php
class GalleryController extends AppController {

	var $name = 'Gallery';


	function css() {

	}

}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_action.ctp