.bottom {
	position: fixed;
	right: 20px;
	bottom: 40px;
	z-index: 999;
}

.btn-bottom {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 54px;
	height: 54px;
	text-align: center;
	border-radius: 50%;
	background-color: #eeeeee;
	box-shadow: 3px 3px 9px rgba(0, 0, 0, .25);
	cursor: pointer;
	z-index: 95;
}

.btn-bottom + .btn-bottom {
	margin-top: 5px;
}