How to create a fully blank page with slide show and link/button

i want to create a fully blank page with full size slide show.
i mean when someone entering into my website he/she only slide show and one link/button that will be “Enter into my website” or 2 link/button “Enter into my website” and “contact”. except this nothing, no side bar, no header footer etc.
but i dont know how to do that.please help me