.sc-to-top {
	position: fixed;
	z-index: 99999;
	bottom: 10px;
	right: 10px;
	-webkit-transition: 0.3s;
	   -moz-transition: 0.3s;
	    -ms-transition: 0.3s;
	     -o-transition: 0.3s;
	     	transition: 0.3s;
	-webkit-opacity: 0.7;
			opacity: 0.7;
}
.sc-to-top.no-icon {
	width: 50px;
	height: 50px;
	background-image: url(../img/arrow.png);
	background-position: center center;
	background-repeat: no-repeat;
}
.sc-to-top:hover {	
	-webkit-opacity: 1;
			opacity: 1;
}