needing very simple software project

I am needing a very simple software project done. All I need the software to do is have a nice user interface, and a purchase a membership screen for one to purchase a membership to my online members area on my website. That is it :) I can provide design details on how exactly i would like it to look and function. So in a overview this is what it should do. First screen pops up, on top of screen it will have my logo, and in the screen it will give brief details on what my product is, basically what is on my sales page website right now. then have on a right hand corner a button that says PURCHASE, and under there have a login screen where user can login with there account and it will bring them to members area on my website. that simple :) My budget for this project is $50. Please PM me if you have any questions.