Special little fun stuff (give me ideas if you have some ! )

• special reaction when you right it in the message bar:
• Sound when you arrive on site ? (Niiiiii !)
• If you stay long on the site a little animation comes ?
• aletoire stuff (images ? set of colors ? differents animation ?)
• add special message for linux user
• add special message for "none tracked user"
• add message for none JS users
• add a nice message in code -> code avalable in the gitlab here
• add a code message with a "chasse aux tresor" on the internet site