Nailing down all that CSS 2.1 has to offer and planning for the advantages that 3.0 promises. Full positioning control, contextual and organizational text link color-coding and layout optimization.
I have built shopping carts from the ground up, photo album guides, weblog managers, site content managers and even an Academy Award betting pool interface.
Complex form validation, interface enhancing functions,
Far beyond where to use a GIF where to use a JPEG, and what makes a PNG so cool. < background bar tutorial/ theory > Understanding what was HTML meant for and what it was not meant for.