Getsocio is highly customizable, you may find some tips for customization here ,the majority of elements are optional, but there's still a number of "must have" things to keep in mind to get your head around this design task. Here you can find a description of Getsocio layout and the list of features to be present in the design mockup. The mockup should be in Photoshop PSD format with each element on a separate layer. In case the non-standard fonts are used, they should be sent over as TTF files.
Though the number of pages can vary from one site to another, in most cases custom visuals are needed for only three pages - Today's deal (the main page), Recent deals and Your order. This guide gives a full list of elements present on the main page, though some of them are optional, it'd be better to give them some consideration or at least not to replace them with any other elements.
This is the basic template for header and footer elements present on all pages of the site.
In fact, this is what the main page will show and also where the major user experience is concentrated, none of the elements should be deprecated.
This page will have absolutely the same header and footer as today's deal, the task is to organize the past deals to align them with the overall design concept. Elements to pay attention to:
Header and footer come from the main template. There can be some visuals to simplify the payment process, logo for credit cards accepted or the payment processor seal.