Thanks for the feedback!
It uses a lot of `transform: translate`s so it can jitter if your GPU is taxed (or if your CPU is taxed and your browser doesn't accelerate).
The duration is supposed to be 500ms though. I agree that's a little slow. I dropped it down to 360ms: https://github.com/HubSpot/drop/commit/10d1b0b324c1538bc46ee...
Let me know what you think!