Shape morph.
A compact tile expands into a softer surface.
See the movement
One intentional triggerPlayback starts only when you request it. Stop returns to the still illustration.
What it does
Coordinated size and corner-radius changes connect two related shapes. This is an illustrative CSS shape transition, not automatic shared-element routing or arbitrary path morphing.
Timing curve
cubic-bezier(.4,0,.2,1)Default duration950ms
RepetitionOnce per trigger
Make the motion useful
Choose an effect that supports the component’s purpose. Keep the final state clear, preserve focus and reading order, and pair important feedback with a visible message.
CSS animation reference