/font-awesome/4.0.3/css/font-awesome.css',
        fontawesome5: 'https://use.fontawesome.com/releases/v5.6.1/css/all.css',
        foundation3: 'https://cdnjs.cloudflare.com/ajax/libs/foundicons/3.0.0/foundation-icons.css',
        jqueryui: 'https://code.jquery.com/ui/1.10.3/themes/south-street/jquery-ui.css',
        materialicons: 'https://fonts.googleapis.com/icon?family=Material+Icons',
        openiconic: 'https://cdnjs.cloudflare.com/ajax/libs/open-iconic/1.1.1/font/css/open-iconic.min.css',
       