.ir-arriba {
	display:none;
	padding:5px;
	/**/background: rgba(255,255,255,.8);
	border-radius: 70px 70px 70px 70px;
	font-size:25px;
	text-align: center;
	color:#000;
	font-style: normal;
	cursor:pointer;
	position: fixed;
	bottom:10px;
	right:10px;
	z-index: 1;

	/*-webkit-transition: .3s;
	-moz-transition: .3s;
	-ms-transition: .3s;
	-o-transition: .3s;/**/
}
/*
.ir-arriba:hover{
	-webkit-transform:translateY(5px);
}*/