#pageup {
	position: fixed;
	right: 20px;
	bottom: 30px;
	width: 48px;
	height: 48px;
	background-image: url(../../images/up.png);
	/*background-image: url('../../image/up.png');*/
	background-repeat: no-repeat;
	background-size: 48px 48px;
	display: none;
	cursor: pointer;
	opacity: 0.8;
	z-index: 100;
}

#pageup:hover{opacity: 1;}