@charset "utf-8";
/* CSS Document */

#back-top {
	position: fixed;
	bottom: 20px;
	margin-left: -100px;
}
@media screen and (max-device-width: 1024px) {
   #back-top {
	position: fixed;
	bottom: 20px;
	margin-left: -85px;
}

}

#back-top a {
	width: 80px;
	display: block;
	text-align: center;
	font: 9px/100% Arial, Helvetica, sans-serif;
	text-transform: uppercase;
	text-decoration: none;
	text-align:center;
	color: #909090;
	/* transition */
	-webkit-transition: 1s;
	-moz-transition: 1s;
	transition: 1s;
}
#back-top a:hover {
	color: #F90;
}

/* arrow icon (span tag) */
#back-top span {
	width: 80px;
	height: 80px;
	display: block;
	margin-bottom: 7px;
	/* rounded corners */
	-webkit-border-radius: 15px;
	-moz-border-radius: 15px;
	border-radius: 15px;
	/* transition */
	-webkit-transition: 1s;
	-moz-transition: 1s;
	transition: 1s;
	/* [disabled]background-color:#F3F3F3; */
	background-image: url(uprobot.png);
	background-repeat: no-repeat;
	background-position: center center;
}
#back-top a:hover span {
	/* [disabled]background-color:#F7F7F7; */
	opacity:0.6;
	filter:alpha(opacity=60);
}