.primera-columna{
float: left;
margin-right: 20px;
width: 190px;
}

.segunda-columna{
float: left;
width: 190px;
}

.btnDetalleOrganismos
{
	margin-top: 20px;
	display: block;
	width: 190px;
	height: 55px;
	text-decoration: none;
	color: #666666;
	text-indent: -9999px;
	background-position: top;
}

.btnDetalleOrganismos:hover
{
	background-position: center bottom;
}

#btnCNRT
{
	background-image: url("../img/btn-cnrt.png");
}

#btnADIF
{
	background-image: url("../img/btn-adif.png");
}

#btnSOFSE
{
	background-image: url("../img/btn-sofse.png");
}

#btnAGP
{
	background-image: url("../img/btn-puertos.png");
}

#btnANAC
{
	background-image: url("../img/btn-anac.png");
}

#btnORSNA
{
	background-image: url("../img/btn-orsna.png");
}