Few changes in our existing PrestaShop website

We have an existing prestashop website that needs few updates. Below are the list of requirements: 1.) To enhance the user interface of the website to make it more professional and appealing. 1.a.) The Navigation bar styling needs to be improved. Spacing of items to be improved 1.b.) Make the images to flip in the home page 2.) To change the payment account details in the existing payment gateway 3.) To bulk upload provided images in the website's Navigation bar buttons 4.) To add sample customer reviews in the home page bottom space 5.) Add SSL to the website snapshot of the website attached. Project to be completed in 7 days.