/* Float Shadow */
@mixin float-shadow {
	display: inline-block;
	position: relative;
	transition-duration: $defaultDuration;
	transition-property: transform;

	@include hacks();

	&:before {
		pointer-events: none;
	  position: absolute;
	  z-index: -1;
	  content: '';
	  top: 100%;
	  left: 5%;
	  height: 10px;
	  width: 90%;
	  opacity: 0;
	  background: radial-gradient(ellipse at center, rgba(0,0,0,.35) 0%,rgba(0,0,0,0) 80%); /* W3C */
		transition-duration: $defaultDuration;
		transition-property: transform, opacity;
	}

	&:hover {
		transform: translateY(-5px); /* move the element up by 5px */

		&:before {
			opacity: 1;
			transform: translateY(5px); /* move the element down by 5px (it will stay in place because it's attached to the element that also moves up 5px) */
		}
	}
}