An error occcured

Error: Invalid controller specified (style.css)

#0 /home/pancho3/public_html/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#1 /home/pancho3/public_html/library/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front->dispatch()
#2 /home/pancho3/public_html/library/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run()
#3 /home/pancho3/public_html/public/index.php(26): Zend_Application->run()
#4 {main} 

EXCEPTION_NO_CONTROLLER 

Zend_Controller_Request_Http Object
(
    [_paramSources:protected] => Array
        (
            [0] => _GET
            [1] => _POST
        )

    [_requestUri:protected] => /style.css
    [_baseUrl:protected] => 
    [_basePath:protected] => 
    [_pathInfo:protected] => /style.css
    [_params:protected] => Array
        (
            [controller] => style.css
            [action] => index
            [module] => default
        )

    [_rawBody:protected] => 
    [_aliases:protected] => Array
        (
        )

    [_dispatched:protected] => 1
    [_module:protected] => default
    [_moduleKey:protected] => module
    [_controller:protected] => style.css
    [_controllerKey:protected] => controller
    [_action:protected] => index
    [_actionKey:protected] => action
)