Missing Controller

Error: Popupmenu.cssController could not be found.

Error: Create the class Popupmenu.cssController below in file: app/controllers/popupmenu.css_controller.php

<?php
class Popupmenu.cssController extends AppController {

	var $name = 'Popupmenu.css';
}
?>

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