.contenedor_centrado_100x100
{   background: 					rgb(255,255,255);
	border: 						3px double rgb(79,79,79);;
  	height:					 		auto;
  	left:							0;
    margin:						 	0 auto;
  	max-width:      				1024px;
  	min-width:      				744px;
   	padding: 						0;
	text-align: 					center;
	margin-top: 0px;
	width: 							1024px;
    width: 							expression(document.body.clientWidth < 800? "744": "auto" );
}

body
{   color:                      	rgb(0,0,0);
	background-color:               rgb(255,255,255);
	background: 					rgb(204,204,204);
	font-family: 					Arial, Helvetica, sans-serif;
	font-weight:                    normal;
	font-size: 						12px;
	margin: 						0;
	padding: 						0;
	text-align:                     center;
}