The new CSS corner-shape() property is mathematical, so it’s easily animated. Author Daniel Schwarz pokes at animating the property for interesting UI effects.
It’s not that hard to do! Preethi shows you how it's really the same old animation you’re used to writing in CSS, only applied on a view timeline instead of a normal timeline.
Parallax is a pattern in which different elements of a webpage move at varying speeds as the user scrolls, creating a three-dimensional, layered appearance. It once required JavaScript. Now we have scroll-driven animations in CSS, which is free from the main-thread blocking that can plague JavaScript animations.
I was playing around with scroll-driven animations, just searching for all sorts of random things you could do. That’s when I came up with the idea to animate main headings and, using scroll-driven animations, change the headings based on the user’s scroll position.
Using scroll shadows, especially for mobile devices, is a subtle bit of UX that Chris has covered before. Geoff covered a newer approach that uses the animation-timeline property. Here’s yet another way.
