Conv2D transpose output shape using formula

Question

I get [-1,256,256,3] as the output shape using the transpose layers shown below. I print the output shape. My question is specifically about the height and widt

Answer 1

I drew a diagram for myself based on @Aldream's answer. Maybe useful to visualize. Hope I got that right. But I have to research how and where this padding is applied to get the final shape.