#caja {
	width: 66em;
	margin-left:auto;
	margin-right:auto;
	border: 1px solid #ccccdd;
}



/*
#maincontainer{
	width: 1070px; 
	margin: 8px 0px 0px 76px ;
}
/*Width of main container*/
#contentwrapper{
	float: left;
	width: 100%;
}

#contentcolumn{
	margin: 0 16em 0 14.5em;
	
}

#leftcolumn{
	float: left;
	width: 14em; /*Width of left column in pixel*/
	margin-left: -66em;
}

#rightcolumn{
	float: left;
	width: 15em; /*Width of right column*/
	margin-left: -15.5em;

}

#izquierda {

		width: 100%;

}
#centro3 {
	
}
#derecha {
	width: 100%;
	background-color:#ffffff;
	overflow: hidden;
		
}




.innertube{
margin: 10px; /*Margins for inner DIV inside each column (to provide padding)*/
margin-top: 0;
}