protected function scripts()
    {
        $assetService = $this->getServiceLocator()->get(AssetService::SERVICE_ID);
        $cssFiles = [
            $assetService->getAsset('css/layout.css', 'tao'),
            $assetService->getAsset('css/tao-main-style.css', 'tao'),
            $assetService->getAsset('css/tao-3.css', 'tao')
        ];

        //stylesheets to load
        \tao_helpers_Scriptloader::addCssFiles($cssFiles);

        if(\common_session_SessionManager::isAnonymous()) {
            \tao_helpers_Scriptloader::addCssFile(
                $assetService->getAsset('css/portal.css', 'tao')
            );
        }
    }