doesn't work ?

Hi orbie, first of all, do not run both of these plugins together. They are incompatible. Then we come to the issue: the dynamic stylesheet on /boutique/wp-content/plugins/easy-fancybox/easy-fancybox.css.php seems to trigger an internal server error. Can you look in the error logs (if you have access to them) and tell me what related error you see there? You might need to visit your website, refresh the page with Ctrl+R or F5 and then open the log file again to get the latest error.