I build Screenshot Happy, so take this with that in mind. This post is about a problem I kept running into on client sites: something looks fine in code review, ships on Friday, and nobody notices the broken hero section until Monday. The gap between "tests pass" and "it looks right" Unit and end-to-end tests tell you the logic works. They rarely tell you the page still looks right: a CSS change that pushes the pricing table off-screen, a third-party script that covers the chec...