.go2top {
	display: none;
	position: fixed;
	bottom: 10px;
	right: 8px;
	z-index: 1001;
	width: 42px;
	height: 42px;
	background: rgba(0, 0, 0, 0.5);
	border-radius: 3px;
}

.go2top::before {
	background: #fff;
	content: "";
	display: inline-block;
	height: 2px;
	left: 11px;
	position: absolute;
	top: 12px;
	width: 20px;
}

.go2top::after {
	border-left: 2px solid #fff;
	border-top: 2px solid #fff;
	content: "";
	display: inline-block;
	height: 12px;
	left: 14px;
	position: absolute;
	top: 21px;
	-webkit-transform: rotate(45deg);
	transform: rotate(45deg);
	width: 12px;
}