#body,td,th {
	color: #000000;
}
#body {
	background-color: #E2E3E4;
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	background-image: url(pattern.gif);
	text-align:center;
}
#prova {
	width:950px;
	height:750px;
	border:none;
	margin: 0px auto;   /*centra negli altri browsers*/
    text-align: center;   /*ripristina l' allineamento*/
}