WhatsApp Pulse Button

index.html

<a href="" class="btn-whatsapp-pulse">
	<i class="fab fa-whatsapp"></i>
</a>

<a href="" class="btn-whatsapp-pulse btn-whatsapp-pulse-border">
	<i class="fab fa-whatsapp"></i>
</a>

style.css

.btn-whatsapp-pulse {
	background: #25d366;
	color: white;
	position: fixed;
	bottom: 20px;
	right: 20px;
	font-size: 40px;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 0;
	height: 0;
	padding: 35px;
	text-decoration: none;
	border-radius: 50%;
	animation-name: pulse;
	animation-duration: 1.5s;
	animation-timing-function: ease-out;
	animation-iteration-count: infinite;
}

@keyframes pulse {
	0% {
		box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
	}
	80% {
		box-shadow: 0 0 0 14px rgba(37, 211, 102, 0);
	}
}

.btn-whatsapp-pulse-border {
	bottom: 120px;
	right: 20px;
	animation-play-state: paused;
}

.btn-whatsapp-pulse-border::before {
	content: "";
	position: absolute;
	border-radius: 50%;
	padding: 25px;
	border: 5px solid #25d366;
	opacity: 0.75;
	animation-name: pulse-border;
	animation-duration: 1.5s;
	animation-timing-function: ease-out;
	animation-iteration-count: infinite;
}

@keyframes pulse-border {
	0% {
		padding: 25px;
		opacity: 0.75;
	}
	75% {
		padding: 50px;
		opacity: 0;
	}
	100% {
		opacity: 0;
	}
}

styles

<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2/css/all.min.css" rel="stylesheet" />

whatsapp-pulse-button.markdown

WhatsApp Pulse Button

Simple pulse animations for WhatsApp buttons :)

A Pen by Cloud Andrade on CodePen.

License.