#PeriodicTable {
	position:relative;
	top:100px;
	width:882px;
	margin-left:auto;
	margin-right:auto;	
	z-index:1;
}

.legend {
	position:absolute;
	top: 0;
	left: 102px;
	width: 400px;
	height: 90px;
	min-height: 90px;
	border: 4px solid lightgray;
	padding: 4px;
}

.legend * {
	font: 12px Arial;
}

.periodicTableElement {
	position:absolute;	
	width:45px;
	height:45px;
	min-height:45px
	z-index:1;
}

.periodicTableElement .tile {
	position: absolute;
	top: 0;
	left: 0;
	width: 42px;
	height: 42px;
	min-height: 42px;
	z-index: 5;	
}

.periodicTableElement .overlay {
	position: absolute;
	top:0;
	left:0;
	width: 150px;
	height: 150px;
	min-height: 150px;
	padding: 4px;
	margin: 0;
	border: 4px solid black;
	background-color: blue;
	color: white;
	z-index: 10;
	opacity: 1;
}

.ptcenter {
	position: absolute;
	top: 9px;
	left: 14px;
	width: 14px;
	font: 9px Arial;
	color: white;
	text-align:center;
}

.pt11 {
	position: absolute;
	top: 0;
	left: 0;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}
.pt12 {
	position: absolute;
	top: 0;
	left: 14px;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}
.pt13 {
	position: absolute;
	top: 0;
	left: 29px;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}

.pt21 {
	position: absolute;
	top: 14px;
	left: 0;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}
.pt22 {
	position: absolute;
	top: 14px;
	left: 14px;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}
.pt23 {
	position: absolute;
	top: 14px;
	left: 29px;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}

.pt31 {
	position: absolute;
	top: 29px;
	left: 0;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}
.pt32 {
	position: absolute;
	top: 29px;
	left: 14px;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}
.pt33 {
	position: absolute;
	top: 29px;
	left: 29px;
	width: 14px;
	font: 9px Arial;
	color: white;
	background-color:none;
	text-align:center;
}