Pinch Fill
Two halves closing from top and bottom. Cheaper than a sweep and far more distinctive.
Usage
Confirm
Meant for
Examples
On a Button
Two halves closing from top and bottom. Cheaper than a sweep and far more distinctive; the label stays put while the fill arrives, so nothing reflows.
The class is wm wm-pinch-fill — the first half is the marker the trigger and reduced-motion rules hook into, the second is the effect.