body {
	background-color: #000000;
	color: #FFFFFF;
}

a {
	color: #FFFFFF;
}

.tree {
	font-size: 20px;
	text-align: center;
}

.node {
	padding: 5px;
	background-color: #CCC;
	color: #666;
	border: 3px solid #666;
	z-index: 100;
}