.letras {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px;
	font-weight: bold;
	color: #333333;
}
.letras2 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
	color: #333333;
}

.principal {
	width: 800px;
	height: 700px;
	margin-top: auto;
	margin-right: auto;
	margin-bottom: auto;
	margin-left: auto;
	background-color: #FFFFFF;
	position: relative;
	border: 1px solid #666666;
	top: 50px;
}
.principal2 {
	width: 800px;
	height: 800px;
	margin-top: auto;
	margin-right: auto;
	margin-bottom: auto;
	margin-left: auto;
	background-color: #FFFFFF;
	position: relative;
	border: 1px solid #666666;
	top: 50px;
}
.degabajo {
	background-image: url(imagenes/degradado_abajo.jpg);
	background-repeat: repeat-x;
}

.degradado {
	background-image: url(imagenes/degradado.jpg);
	background-repeat: repeat-x;
}