.centrado_obrapub {
	margin: auto;
    position: relative;
	width:980px;
	height:1882px;
	top: 0px;
	left:0px;
}
.titulo_obrapub
{
	width: 964px;
	height: 30px;
	float: left;
	font-size: 28px;
	font-family: 'Open Sans',sans-serif;
	color: #565656;
	margin-bottom:25px;
	}
.elcastanoport
{
	width:653px;
	height:435px;	
	float:left;
	border:none;
	}

.tlahuaport 
{
	width:235px;
	height:435px;	
	float:left;
	margin-left:20px;
	border:none;
	}
.cetramport 
{
	width: 331px;
	height: 339px;
	float: left;
	margin-top: 6px;
	border:none;
	}
.gonzport2
{
	width: 569px;
	height: 339px;
	float: left;
	/*margin-left: 10px;*/
	margin-top: 6px;
	border:none;
	}
.gonzport
{
	width: 569px;
	height: 339px;
	float: left;
	margin-left: 10px;
	margin-top: 6px;
	border:none;
	}
.difport 
{
	width: 569px;
	height: 339px;
	float: left;
	margin-top: 6px;
	border:none;
	}
.ciateqport 
{
	width: 333px;
	height: 339px;
	float: left;
	margin-left: 8px;
	margin-top: 6px;
	border:none;
	}
.sancar 
{
	width: 333px;
	height: 339px;
	float: left;
	margin-top: 6px;
	border:none;
	margin-left: 8px;
	}