If you are using a WIX website to sell your DPD products you may have noticed some issues when posting buttons that use the Overlay/Iframe feature, here's an example screenshot:
The only fix for this is to remake your button without the Overlay/Iframe effect. To create a button in DPD that does not use the overlay just unmark the Use Overlay checkbox on the button code page prior to getting the button code, here's a screenshot of that checkbox:
