I'm trying to find a way to map an element, on top of a photo element that is placed at a given angle. The photo of a laptop is a good example, where I'd like to map an element (video, image, or ot...

"Simple" question that I can't find the answer to -- What does -webkit-perspective actually do mathematically? (I know the effect it has, it basically acts like a focal-length control) e.g. what do...

I've written CSS that uses -webkit-transform, -webkit-perspective and several similar. My design looks the bees knees on machines where hardware acceleration is available but is practically unusabl...