Need Zen Cart Matched To Current Site Design - Simple.

We have the design of the site already done (css for site done) and need the already installed zen cart's generic design to match the site's design as close as possible. This is a simple, quick job. Basically the CSS just needs to be modified on the zen cart current generic design/template to match the site's current design. The current design of the site is pretty basic - nothing fancy, no flash, etc. The current design of the site is done in html and 1 CSS. We will do all admin modifications on the zen cart itself - just need the design of the zen cart to look similar to the site in design and colors. Contact for site url.