Thème wordpress

Hello everyone, after several searches, I can not find a theme with the same navigation as this site. (https://www.capstan.fr/fr/)
Can anyone help me? thank you very much

Hi @aviard,

Welcome to the forums! It depends on what kind of website you would like to create, but general idea of horizontal design is used by these themes:

This theme seems to be quite similar to what you are looking for, however I encourage you to check entire category:

Thanks,
Luca

is there a way to see what the actual theme is on a website?
It looks similar but i want to know what theme they are using for sure.

Possible?

They are not using the WordPress