Would you pad the pages? How would you know what's enough padding depending on screen proprtions/rotation during presentation? How do you align the "scroll step

Would you pad the pages? How would you know what's enough padding depending on screen proprtions/rotation during presentation? How do you align the "scroll step" to match your presentation padding? If you address all of these, I think you end up with something that looks like a presentation, but the panels have a "slide up" animation/transition to simulate scrolling. So I guess this slide transition could end up being a compromise for people who really want that effect