.icon-home {
	margin-bottom: -1px;
	display: inline-block;
	width: 20px;
	height: 16px;
	background-image: url(../images/icon_home-off.svg);
	background-repeat: no-repeat;
	background-position: center bottom; 
}
.icon-home:hover {
	margin-bottom: -1px;
	display: inline-block;
	width: 20px;
	height: 16px;
	background-image: url(../images/icon_home-on.svg);
	background-repeat: no-repeat;
	background-position: center bottom; 
}

.icon-arrow_top {
	width: 50px;
	height: 50px;
	text-align: center;
	text-decoration: none;
	border-radius: 50%;
	background-image: url(../images/icon_arrow-off.svg);
	background-repeat: no-repeat;
	background-position: center center; 
	background-size: 28px;
	color: #fff;
}
.icon-arrow_top:hover {
	width: 50px;
	height: 50px;
	text-align: center;
	text-decoration: none;
	border-radius: 50%;
	background-image: url(../images/icon_arrow-on.svg);
	background-repeat: no-repeat;
	background-position: center center; 
	background-size: 28px;
}