body
{
	text-align: center;
	margin: 0 auto;
}
#box
{
	position: absolute;
	width: 500px;
	height: 500px;
	left: 50%;
	top: 50%;
	margin-left: -250px;
	margin-top: -250px;

	border: #000 solid 1px;
	background: #82713F;
}