.btn-wsp {
	position: fixed;
	width: 60px;
	height: 60px;
	line-height: 63px;
	bottom: 25px;
	right: 25px;
	background: #25d366;
	color: #fff;
	border-radius: 50px;
	text-align: center;
	font-size: 35px;
	box-shadow: 0px 1px 10px rgba(0, 0, 0, 0.3);
	z-index: 100;
	transition: all 300ms ease;
}
.btn-wsp:hover {
	background: #20ba5a;
}
@media only screen and (min-width: 320px) and (max-width: 768px) {
	.btn-wsp {
		width: 63px;
		height: 63px;
		line-height: 66px;
	}
}