Baseframe field notes

Motion with a reason.

Motion is useful when it explains what changed, confirms an action, or helps someone understand where to go next. These notes help you make those choices.

How to choose a CSS animation duration

A practical way to tune an entrance without slowing the task down.

A better reduced-motion fallback

Preserve information when you remove movement.

When CSS is enough for interface motion

Pick an implementation based on behavior, not habit.