body {
	font: 11px Verdana, Arial, Helvetica, sans-serif;
	margin: 0;
}#main {
	width: 660px;
	margin-right: auto;
	margin-left: auto;
	overflow: auto;
	visibility: visible;
	clear: both;
}

#column_menu {
	float: left;
	width: 100px;
	overflow: auto;
	padding-top: 20px;
}

#column_content {
	width: 560px;
	float: left;
	margin-top: 90px;
	overflow: auto;
	height: auto;
}

#footer {
	width: 660px;
	margin-right: auto;
	margin-left: auto;
	overflow: auto;
	visibility: visible;
	text-align: center;
	font-size: 9px;
	color: #4d4d4d;
	height: 84px;
	background: url(imagenes/pie.gif) no-repeat 228px;
	vertical-align: bottom;
}