.iz {
	background-image: url(imagenes/iz.jpg);
	background-repeat:  repeat-x;
}
.der {
	background-image: url(imagenes/der.jpg);
	background-repeat:  repeat-x;
}
.txtnar {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 17px;
	font-weight: bold;
	color: #FF6600;
	text-decoration: none;
}
.txt {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 13px;
	color: #666666;
	text-decoration: none;
}
.txtlink {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 13px;
	color: #FF6600;
	text-decoration: none;
}
.txttit {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 14px;
	font-weight: bold;
	color: #FF6600;
	text-decoration: none;
}