Customisation of Template, Changes in CMS in prestashop 1.6.0.6

I need some changes / fixes in a bought template for Prestashop 1.6.0.6: 1. shopping cart: - detailed delivery times of the items instead of just "in stock" and "not in stock" - Choosen attributes have to be displayed under the reference number in shopping carts ( in the "small" cart as well) - Insert short text about taxes in the small shopping cart under total amount 2. buying process ( one step check out): add an image with the accepted payment methods and 2 short textes with links to 2 cms pages ( like the Terms of service hint) just underneath the shopping cart. and above the adresses. 3. Cookie Box: css fix for the text ( too long) 4. Add an infinite scroll on the product list 5. Some css fixes /changes on the product detail page as: new border around the chosen attribute, re-positioning of 3 texts next to the price ( taxes hint, base price and reduced price) and change of size of the to cart button [login to view URL] list: css fix of to the cart button Please as soon as possible, it is very urgent.