Website - Mobile Friendly - Make it responsive (at least for the menu)

Created by: mgueury

When looking in google there is this new message

Html Validator for Firefox and Chrome - Skynet.be users.skynet.be/mgueury/mozilla/ Your page is not mobile-friendly. Tidy validates the HTML code and displays the result like a compiler for a programming language. The

Also, several page still refer to Mozilla in the title. It should be chrome.