.scrollup{
	width:40px;
	height:40px;
	opacity:0.3;
	position:fixed;
	bottom:15px;
	right:15px;
	display:none;
	text-indent:-9999px;
	background: url('../img/icon_top.png') no-repeat;
}

.scrollup:hover{opacity:0.9;}

@media screen and (max-width:804px) {
	.scrollup{
		opacity:0.5;
	}
	.scrollup:hover{
		opacity:0.5;
	}
}