.fondo_central {
	/*background-image: url(img/linea_fondo3.gif);*/
	background-image: url(img/Tareas_fondo_superior.gif);
	background-repeat: repeat;
}
.fondo_superior {
	/*background-image: url(img/fondo_superior.gif);*/
	background-image: url(img/Tareas_fondo_superior.gif);
	background-repeat: repeat;
}
.fondo_web {
	/*background-image: url(img/fondo_web.jpg);*/
	background-image: url(img/Tareas_fondo_superior.gif);
	background-repeat: none;
}
body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}
.fondo_inferior {

	/*background-image: url(img/fondo_inferior.gif);*/
	background-image: url(img/Tareas_fondo_superior.gif);
	background-repeat: repeat;
}