
$ease-in-out-curve-function: cubic-bezier(0.35, 0, 0.25, 1) !default;
$swift-ease-in-out-duration: 500ms !default;
$swift-ease-in-out-timing-function: $ease-in-out-curve-function !default;
$swift-ease-in-out: all $swift-ease-in-out-duration $swift-ease-in-out-timing-function !default;

