Button states · primary
Default
Hover
Pressed
Focus
Disabled
Durations · sharp, joyless
80ms
micro · tooltip
150ms
fast · hover
250ms
base · modal
300/200
enter / exit
ease-out cubic-bezier(0, 0, 0.2, 1) · no overshoot, no lift on hover, prefers-reduced-motion collapses all to 0.01ms