.scrolltotop a i {
	position: fixed;
	right: 10px;
	bottom: 0;
	color: white;
	background: rgba(0, 0, 0, .5);
	display: inline-block;
	padding: 10px 20px;
	border-radius: 4px 4px 0 0;
	text-decoration: none;
	z-index: 9999;
	display: none;
}