//
// Motion
//

$motion-bezier: (
  on: cubic-bezier(0.8,0.4,0.16,1),
  into: cubic-bezier(0,0,0.16,1),
  out: cubic-bezier(0.64,0,1,1)
);

@mixin motion($element, $duration, $key) {
  transition: $element $duration map-get($motion-bezier, $key);
}