/* Box Shadow Inset */
@mixin box-shadow-inset {
	@include hacks();
	@include prefixed(transition-duration, $mediumDuration);
	@include prefixed(transition-property, box-shadow);

	box-shadow: inset 0 0 0 $shadowColor,
		0 0 1px rgba(0, 0, 0, 0); /* Hack to improve aliasing on mobile/tablet devices */

	&:hover,
	&:focus,
	&:active {
		box-shadow: inset 2px 2px 2px $shadowColor,
		0 0 1px rgba(0, 0, 0, 0); /* Hack to improve aliasing on mobile/tablet devices */
	}
}