Need our NB Designer iphone customisation plugin tool modified -- 2

Our website is [login to view URL] for all our products the "Start Design" is available. This uses NB Designer plugin, for image customisation, we want a few modification in the design of the tool in desktop and mobile view. We want it to look exactly like: [login to view URL] Instead of 4 steps we only need 2 steps: Step 1) Choose colour. The colour choices should be the ones available for the product Step 2) Add text. Just use the usual tool features for text Step 3) Add to cart We need the tips tool to work exactly like on this site. And we need the design to look exactly same except we need it to be our company colours.