.actGotop{
			    position: fixed;
			    bottom: 40px;
			    right: 40px;
			    width: 61px;
			    height: 53px;
				display: none;
				z-index: 100;background: url(http://www.yssp88.com/skin/v2/images/scrollUp.gif) no-repeat;
			}
	.actGotop:hover {
	 background: url(http://www.yssp88.com/skin/v2/images/scrollUp-hover.gif) no-repeat;
	}