/****** PLACE YOUR CUSTOM STYLES HERE ******/
.ir-arriba {
    display: none;
	padding:20px;
	background:#fd9800;
	font-size:20px;
	color:#fff;
	border-radius: 50%;
	cursor:pointer;
	position: fixed;
	bottom:20px;
    right:20px;
    z-index: 100;
}