#contenedor_general {
	height: 438px;
	width: 800px;
	margin-top: 0px;
	margin-right: auto;
	margin-bottom: 0px;
	margin-left: auto;
	position: absolute;
	top: 20%;
	left: 24%;
	background-image: url(imagenes/imagen_inicio.png);
	background-repeat: no-repeat;
}
#cabecera_menu {
	position: relative;
	height: 38px;
	width: 800px;
}
#contenido {
	position: relative;
	height: 370px;
	width: 780px;
	padding-left: 20px;
}
#pie {
	position: relative;
	height: 30px;
	width: 790px;
	padding-left: 10px;
}