Hand coding up beautiful animation for the web and other platforms isn't for everyone. More human-focused app's like Adobe's after-effects is a bit more approachable at least.
This uses a public
bodyMoving script from airbnb for a smooth effect with extremely little human code required.
Animation lifted from the header on moove-it
See https://medium.com/airbnb-engineering/introducing-lottie-4ff4a0afac0e for a quick intro