html, body {
	background:#cadaf1;
	text-align: center;
	margin: 0px;
	height: 100%;
	width: 100%;
	background-image:url(images/header_bg.jpg);
	background-repeat:no-repeat;
}
#header{height:100px;
}
#logo{
	width:405px;
}
#wrap {
	margin-left: auto;
	margin-right: auto;
	width: 1000px;
	position: relative;
	min-height: 600px;
}
#body-image {
	margin-top: 60px;
}
#main-nav {
	margin: 0px 0px 0px 2px;
	text-align: left;
	min-height: 25px;
	padding-top: 10px;
	padding-left: 0px;
}
#main-handle {
	width: 480px;
	float: right;
	margin-top: -1px;
}
#main-nav li {
	display: inline;
	list-style: none;
}
#main-nav li a {
	margin-right: 2px;
	font-size: 12px;
	text-decoration: none;
	color: #00923f;
	font-family: Arial, Helvetica, sans-serif;
	text-transform: uppercase;
	font-weight: bold;
	padding: 5px;
	outline: 0;
	position: relative;
	top: -2px;
}
#main-nav li a:hover, #main-nav li a.active {
	background: #fbfcfe;
}
#sub-link-bar {
	background: #dedfe1;
	min-height: 5px;
	border-bottom: #d2d2d2 1px solid;
}
.sub-links {
	display: none;
	position: absolute;
	width: 100%;
	top: -30px;
	text-align: left;
	left: 0px;
}
#main-nav li .sub-links li a:hover{
	background: #f1f2f4;
}
#main-nav li a.close{
	display: none;	
	position: absolute;
}
#main-nav li a.close:hover{
	background: #900;
}
Thanks Spiffy Corners 
.round {
	display:block
}
.round * {
	display:block;
	height:1px;
	overflow:hidden;
	font-size:.01em;
	background:#dfe0e2;
}
.round1 {
	margin-left:3px;
	margin-right:3px;
	padding-left:1px;
	padding-right:1px;
	border-left:1px solid #d2d2d2;
	border-right:1px solid #d2d2d2;
	background:#dfe0e2;
}
.round2 {
	margin-left:1px;
	margin-right:1px;
	padding-right:1px;
	padding-left:1px;
	border-left:1px solid #d2d2d2;
	border-right:1px solid #d2d2d2;
	background:#dfe0e2
}
.round3 {
	margin-left:1px;
	margin-right:1px;
	border-left:1px solid #d2d2d2;
	border-right:1px solid #d2d2d2;
}
.round4 {
	border-left:1px solid #d2d2d2;
	border-right:1px solid #d2d2d2;
}
.round5 {
	border-left:1px solid #d2d2d2;
	border-right:1px solid #d2d2d2;
}
.roundfg {
	background:#dfe0e2;
}
#contenido{
	width:1000px;
	height:auto;
	margin-top:80px;
}
.leftColumn{
	float: left;
	width: 300px;
	height:256px;
	background-repeat:no-repeat;
	text-align: right;
}
.noti{
	width:227px;
	margin:auto;
	padding-top:70px;
}
.rightColumn{
float: right;
width: 300px;
height:256px;
padding-top:80px;
background-image:url(images/clima.png);
}

.centerColumn{
	margin-left:20%;
	height:256px;
	padding-top:80px;
	text-align:center;
	margin-left:350px;
	margin-right:300px;
	width:300px;
	background-image:url(images/indicadores_title.png);
	background-repeat:no-repeat;
}
#slide{
	width:700px;
	height:400px;
	float:left;
}
#clima{
	width:300px;
	background-image:url(images/clima.png);
	background-repeat:no-repeat;
	float:right;
	padding-top:80px;
}
#IndEcoAvanzado{
	width:200px;
	margin:auto;
}
#conte2{
	width:auto;
	height:auto;
	margin-bottom:20px;
}
#conte3{
	width:auto;
	height:300px;
	padding-top:5px;
	background-image:url(images/barra2.jpg);
	background-repeat:no-repeat;
}
.informacion{
	background-image:url(images/interior-bg.png);
	background-repeat:repeat;
	color: #000;
	font-family: Verdana, Geneva, sans-serif;
	text-align: justify;
	font-size: 12px;
}
#footer{
	clear:both;
	padding-top:30px;
}