         iconLibrary: 'happy-icons',
                iconLibraryCss: 'happy-icons.min.css'
            },
            {
                iconLibrary: 'icomoon',
                iconLibraryCss: 'icomoon.min.css'
            },
            {
                iconLibrary: 'open-iconic',
                iconLibraryCss: 'open-iconic.min.css'
            },
            {
                iconLibrary: 'tabler-icons',
                iconLibraryCss: 'tabler-icons.min.css'
            },
            {
                i