#to-top {
	display: none;
	text-decoration: none;
	position: fixed;
	z-index: 999;
	bottom: 66px;
	right: 0;
    opacity: 0.8;
	overflow: hidden;
	width: 62px;
	height: 98px;
	border: none;
	text-indent: -999px;
	background: url(/image/top.png) no-repeat left top;   
}

#to-top:hover {
    opacity: 0.9;
}