#contenedor {
	height: auto;
	width: 800px;
	background-color: #CCCCCC;
	background-image: url(../imagenes/fondo.jpg);
	background-position: center;
	margin-right: auto;
	margin-left: auto;
}
#contenedor2 {
	background-image: url(../libro/fondo.png);
	background-position: center;
	height: 600px;
	width: 800px;
	float: none;
	margin-right: auto;
	margin-left: auto;
	border-top-width: thick;
	border-right-width: thick;
	border-bottom-width: thick;
	border-left-width: thick;
	border-top-color: #CCCCCC;
	border-right-color: #CCCCCC;
	border-bottom-color: #CCCCCC;
	border-left-color: #CCCCCC;
}

#arriba {
	height: 54px;
	width: 800px;
	background-image: url(../imagenes/arriba.jpg);
}
#medio {
	height: 160px;
	width: 800px;
}
#blanco {
	overflow: scroll;
	height: auto;
	width: 800px;
	background-color: #FFF1D0;
}
#abajo {
	background-image: url(../imagenes/abajo.jpg);
	height: 40px;
	width: 800px;
}