ThemeForest - Responsify - A Responsive E-Commerce Template - RiP | 1 MB
Responsify is a professional, customizable and responsive e-commerce theme written in HTML5 / CSS3 which adapts perfectly to the viewers screen resolution and provides a seamless and rich shopping experience on any device.

DEMO:
http://themeforest.net/item/responsify-a-responsive-ecommerce-template/830375