/* Radial In */
@mixin radial-in {
	@include hacks();
	position: relative;
	overflow: hidden;
	background: $activeColor;
	@include prefixed(transition-property, color);
	@include prefixed(transition-duration, $mediumDuration);

	&:before {
		content: "";
		position: absolute;
		z-index: -1;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		background: $primaryColor;
		border-radius: 100%;
		@include prefixed(transform, scale(2));
		@include prefixed(transition-property, transform);
		@include prefixed(transition-duration, $mediumDuration);
		@include prefixed(transition-timing-function, ease-out);
	}

	&:hover,
	&:focus,
	&:active {
		color: white;

		&:before {
			@include prefixed(transform, scale(0));
		}
	}
}
