Prestashop product view change as grid not in list

Hello, I'm looking for a prestashop 1.4 expert that can edit and customize product view (theme from template monster) in subcategories as grid and not list (as it is now). This is a fast and simple project for a developer. Interested bidders ask for details, I will send you the actual website and the sample of what I need. If you need be sure to can do right and have the skills to keep the website compatible by all navigators Thanks.