ThemeForest - MegaStore v2.0 - Responsive OpenCart Theme | 34,1 MB
MegaStore is a modern, responsive and very advanced template for OpenCart. You can change color (even gradients), upload you own background and change font. But that's only few features of this theme In addition, we have created for you 5 basic color version that you can further edit.
DEMO:
http://themeforest.net/item/megastore-responsive-opencart-theme/2835928