Hello Ivo,
I introduced the ultimate project, this is an archive for an "Art Gallery Exhibitions".
This website is private and I have used Joomla ACL because the customer you don't have to change the settings.
It's pretty simple, really.
I've used Gantry and Hydrogen Theme, RokSprocket Module and
Particle
Media Box
Page Title
Menu
Gadgets
Offcanvas
Atom
Fixed Header
Scroll Reveal
Headroom
WOW
UlKit
In private the website details
Thank You very much