Whirl
Half a turn while it grows from 90%, so it reads as arriving rather than growing. In over 450 ms, never from nothing.
Usage
Meant for
Examples
On a Card
Half a turn while it grows from 90%, so it reads as arriving rather than growing — never from nothing. 450 ms, then it holds. Right for a moment worth celebrating, not for every card.
The class is wm wm-whirl — the first half is the marker the trigger and reduced-motion rules hook into, the second is the effect.