.pagetop {
	display: none;
	position: fixed;
	bottom: 30px;
	right: 55px;
	z-index:100;
	cursor: pointer;
}
.pagetop a {
	display: block;
	width: 50px;
	height: 50px;
	background-color: #0880d8;
	border-radius: 50px;
	text-align: center;
	color: #fff;
	font-size: 24px;
	text-decoration: none;
	line-height: 50px;
}