@charset "UTF-8";

.backtotop {
	position: fixed;
	right: 2rem;
	bottom: 50px;
	z-index: 9000;
	display: none;
	filter: alpha(opacity=70);
	-moz-opacity:0.7;
	opacity:0.7;
} 
.backtotop a {
	display:block;
	width:60px;
	height:60px;
	text-indent:-9999px;
	background:url(../images/bt_gotop_off.png) no-repeat;
} 
.backtotop a:hover {
	background:url(../images/bt_gotop_on.png) no-repeat;
}