span.ripple {
	position: absolute;
	border-radius: 50%;
	transform: scale(0);
	animation: ripple 600ms linear;
	background-color: rgba(255, 255, 255, 0.7);
}

nav{
	transition: height 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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