igna.rocks/assets/js/scss/effects/2d-transitions/_float.scss

/* Float */
@mixin float {
	@include hacks();
	@include prefixed(transition-duration, $mediumDuration);
	@include prefixed(transition-property, transform);
	@include prefixed(transition-timing-function, ease-out);

	&:hover,
	&:focus,
	&:active {
		@include prefixed(transform, translateY(-8px));
	}
}