#dyscrollup-btn{
	z-index: 9999;
	position: fixed;
	cursor: pointer;
	display: none;
	bottom: 20px;
	background-image: url(../images/48-red.png);
	background-repeat: no-repeat;
	height: 48px;
	width: 48px;
	background-color: #FFF;
}