.ripple {
	display: block;
	position: absolute;
	background: rgba(77, 77, 77, 0.5);
	border-radius: 50%;
	transform: scale(0);
	animation: ripple 0.2s linear;
}

@keyframes ripple {
	to {
		opacity: 0;
		transform: scale(2.5);
	}
}