.scroll-top {
	position: fixed;
	bottom: -40px;
	right: 40px;
	color: #fff;
	font-size: 50px;
	cursor: pointer;
	z-index: 100000;
	visibility: hidden;
	opacity: 0;
	transition: 0.5s;
}
.scroll-top.active {
	bottom: 40px;
	visibility: visible;
	opacity: 1;
}