.contenido {
	background: #3563b0;
}
.tx1 {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #000000;
}
.tx_blanco {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #FFFFFF;
	padding-left: 17px;
}
 .tx_blanco a{
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #FFFFFF;
	text-decoration: none;
}
 .tx_blanco a:hover{
	text-decoration: underline;
}
.seccion_b {
	background: url(../images/fondo_b.gif) no-repeat;
}