Smoothly Animating Drop Shadows! ⚡️

It doesn’t matter how awesome and clever your web animation is. If it doesn’t run smoothly at 60fps on a variety of fast and not-so-fast devices, then you have failed. The thing is this: it is very easy to unintentionally create a poorly performing animation. One of the biggest culprits here is us animating a CSS property that is not designed for smooth…