The DEMO version only includes 4 pages:
http://mariaxoconostle.mx
http://mariaxoconostle.mx/index_php.html
http://mariaxoconostle.mx/index_lengua-esp-pagina-main-seccion-001_inicio.html
http://mariaxoconostle.mx/index_lengua-esp-pagina-main-seccion-003_reservaciones.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
Go back to the index page