.voltar-topo {
	color: #6e6e6e;
	display: none;
	font-family: "Source Sans Pro",sans-serif;
	font-size: 14px;
	text-align: center;
	text-decoration: none;
	cursor:pointer;
}
.voltar-topo span {
	font-size: 18px;
	font-weight: 700;
	color: #1f91ae;
}
.voltar-topo div{background:#1f91ae; position:fixed; bottom:0; padding:10px; color:#fff; right:0%; font-size:1.3em; z-index:1000}
.voltar-topo div span{color:#fff}