body {
	background-color: #333333;
	text-align: center;
	min-width: 800px;
	text-align: center;
}




#header {
			margin-top: -20%;
			margin-left:auto; 
			margin-right:auto; 
			width: 500px;
			height: 109px;
			z-index: 1;
			background: url(images/signature.png) top left no-repeat;
}

table.center {
	margin-left:auto; 
	margin-right:auto; 
	margin-top: 10%; 
	z-index: 1;
	}