New design for the contacts of the 'incentive' page : same as 'contacts' page
Tweaking padding and margin of contacts in the 'incentive' page to see the dropped shadows ; Changing style of incentive subintro
Changing the style of the link to an incentive trip in the incentive page
Changing the text of the detailled programm for incentive (& congress) ; fixing the latter to be not centered (forgot to add congress)