<div class="ripple">
	<div />
	<div />
</div>

<style>
	.ripple {
		display: inline-block;
		position: relative;
		width: 80px;
		height: 80px;
	}

	.ripple div {
		position: absolute;
		border: 4px solid #fff;
		opacity: 1;
		border-radius: 50%;
		animation: ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
	}

	.ripple div:nth-child(2) {
		animation-delay: -0.5s;
	}

	@keyframes ripple {
		0% {
			top: 36px;
			left: 36px;
			width: 0;
			height: 0;
			opacity: 1;
		}
		100% {
			top: 0px;
			left: 0px;
			width: 72px;
			height: 72px;
			opacity: 0;
		}
	}
</style>
