/**
 *
 * @author      Jeison Sánchez <jeison@nigma.co>
 * @website     https://www.nigma.co
 *
 */

.btn-whatsapp {
	position: fixed;
	z-index: 999;
	bottom: 20px;
	left: 20px;
}

.btn-whatsapp:before,
.btn-whatsapp:after {
	content: "";
	position: absolute;
	top: 2px;
	left: 4px;
	width: 45px;
	height: 45px;
	border-radius: 50%;
	background-color: #00e676;
	opacity: 0;
	animation: onda 1.7s infinite;
}

.btn-whatsapp:before {
	animation-delay: 1s;
}

.btn-whatsapp:after {
	animation-delay: 1.3s;
}

.btn-whatsapp img {
	position: relative;
	z-index: 2;
}

@keyframes onda {
	0% {
		transform: scale(1);
	}

	15%{
		opacity: 1;
	}

	100% {
		opacity: 0;
		transform: scale(2.5);
	}
}