Prestashop

I need a PHP developer who is familiar with prestashop. 1) Fix a CSS issue on a responsive prestashop website 2) Add a phone number field as one of the required fields for customer registration. It needs to be editable through Admin back office. 3) Fix the display of Facebook plugin button on Create an Account Page

We are a Portuguese company of E-commerce. We are looking for a freelance programmer with solid knowledge of the Prestashop platform (version 1.6) for site corrections and improvements. We give preference to Portuguese freelancers. We are only interested in freelancers from Portugal.