CSS stylesheet to format HTML form

Someone to format a subscription form with CSS on webpage so it looks nice. The result should be a piece of HTML code and a CSS file that I can use to drop the form in to any page and it will look proper. Code should pass W3C validator. The form has fields for: username password email checkbox to receive mailing 2 or 3 radio buttons subscription options for payment by credit card signup button signup button for those who cannot use credit card. I provide unformatted original HTML code