/* Ripple In */
@include keyframes(#{$nameSpace}-ripple-in) {
	100% {
		top: 0;
		right: 0;
		bottom: 0;
		left: 0;
		opacity: 1;
	}
}

@mixin ripple-in {
	$outerBorderWidth: 4px;
	$innerBorderWidth: 4px;

	@include hacks();
	position: relative;

	&:before {
		content: '';
		position: absolute;
		border: $primaryColor solid $outerBorderWidth;
		top: -(6px + 6px);
		right: -(6px + 6px);
		bottom: -(6px + 6px);
		left: -(6px + 6px);
		opacity: 0;
		@include prefixed(animation-duration, 1s);
	}

	&:hover:before,
	&:focus:before,
	&:active:before {
		@include prefixed(animation-name, #{$nameSpace}-ripple-in);
	}
}