* {margin:0; padding:0px;}
body {font-family:Arial, Helvetica, sans-serif; font-size:12px; text-align:center; background:url(../images/fondo_pagina.jpg) top center no-repeat fixed;}
.contenerdor{
	width:750px;
	margin:auto;
}

.header{width:750px; height:100px;}
.contenido_flash{width:750px; height:900px;}