.overlay {
	display:none;
	z-index:10000;
	background-color:silver;
	width:800px;	
	height:600px;
	border:1px solid #666;
}

.overlay .content {
	margin: 5px;
	text-align: justify;
}

.overlay .close {
	z-index: 10000;
	background-image:url(images/close.png);
	border: 2px solid black;
	position:absolute;
	right:-15px;
	top:-15px;
	cursor:pointer;
	height:32px;
	width:64px;
}

.overlay .content p {
	margin-bottom: 0.5em;
}

a.help_link {
	text-decoration: none;
	font-size: 1.5em;
	font-family: monospace;
}