Okay - but the design without padding converted better than the one with padding. A/B tests don't give you the best possible choice of all choices. They just g

Okay - but the design without padding converted better than the one with padding. A/B tests don't give you the best possible choice of all choices. They just give you the better choice between A & B. The business shouldn't delay rolling something out that increases conversions *significantly* because a better design *might* exist. You can A/B test "better" designs in the future until one converts better.