How'd they do that?

Or should I say “Comment ont-ils fait ?a?”

This French site is in the Customizr Showcase… https://www.botoxs.fr

Can anyone suggest to me how they coded the map with links? I need to have a clickable map as my home page and this is a beautiful solution!

I am leaning toward customizr because it is easy for my end user to… use.

Many thanks.