body {
	margin: 0px;
	padding: 0px;
}
#cuerpo_exterior_izda {
	background-image: url(../imagenes/degradado_exterior_izda.png);
	background-repeat:  repeat-y;
	background-position: left top;
	margin: 0px;
	padding: 0px;
	float: left;
	width: 27px;
}
#cuerpo_exterior_dcha {
	background-image: url(../imagenes/degradado_exterior_dcha.png);
	background-repeat:  repeat-y;
	background-position: left top;
	margin: 0px;
	padding: 0px;
	float: left;
	width: 27px;
}