.icon-arrow-up:before {
  content: "\ea32";
}

*{
	margin: 0;
	padding: 0;
}

.contenido{
	width: 500px;
	margin: 20px auto;
	text-align: justify;
}

.contenido p{
	margin-bottom: 1em;
}

.ir-arriba {
	display:none;
	padding:10px;
	background:#024959;
	font-size:20px;
	color:#fff;
	cursor:pointer;
	position: fixed;
	bottom:20px;
	/*bottom:20px;*/
	right:20px;
}