body {background-color:#A7A7A7; margin-top:30px; font-family:"Verdana";}
table.ext {border-style:solid; border-width:1px; width:75%; background-color:#FFFFFF;margin-left: auto;margin-right: auto;}
div.barra {
	width:700px;
	height:30px;
	background-color:#666699
	}