diff --git a/.gitattributes b/.gitattributes
index 51fea0d..d7cd151 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,5 +1,6 @@
 * text=auto !eol
 www/external/TileLayer.Grayscale.js -text
+www/external/css/dvf.css -text
 www/external/first.png -text
 www/external/jquery.localtime-0.9.1.min.js -text
 www/external/jquery.tablesorter.min.js -text
diff --git a/www/external/css/dvf.css b/www/external/css/dvf.css
new file mode 100644
index 0000000..8964a36
--- /dev/null
+++ b/www/external/css/dvf.css
@@ -0,0 +1,207 @@
+div.leaflet-div-icon {
+	text-align: center;
+	vertical-align: middle;
+	border-radius: 4px;
+	padding: 2px 2px 0px 2px;
+	font-size: small;
+	margin: 0px auto;
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+	width: auto;
+	background: '#fff';
+	background-color: #f5f5f5;
+	background-image: -moz-linear-gradient(top, #ffffff, #e6e6e6);
+	background-image: -ms-linear-gradient(top, #ffffff, #e6e6e6);
+	background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), to(#e6e6e6));
+	background-image: -webkit-linear-gradient(top, #ffffff, #e6e6e6);
+	background-image: -o-linear-gradient(top, #ffffff, #e6e6e6);
+	background-image: linear-gradient(top, #ffffff, #e6e6e6);
+	background-repeat: repeat-x;
+	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#e6e6e6', GradientType=0);
+	border-color: #e6e6e6 #e6e6e6 #bfbfbf;
+	border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+	filter: progid:dximagetransform.microsoft.gradient(enabled=false);
+	border: 1px solid #cccccc;
+	border-bottom-color: #b3b3b3;
+	-webkit-border-radius: 10px;
+	-moz-border-radius: 10px;
+	border-radius: 10px;
+	-webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+	-moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+}
+
+div.leaflet-div-icon div {
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;	
+	margin: 0px;	
+	padding: 0px;	
+	line-height: 12px;
+}
+
+div.leaflet-div-icon div div {
+	display: block;
+	font-size: xx-small;
+}
+
+div.legend-content {
+	margin: 0px;
+	padding: 0px;
+}
+
+div.legend-box {
+	width: 10px;
+	height: 10px;
+	display: inline-block;
+	margin-right: 8px;
+	border: solid 1px #000;
+	margin-bottom: 0px;
+}
+
+div.leaflet-div-icon div div.legend-box  {
+	width: 5px;
+	height: 5px;
+	display: inline-block;
+	margin-right: 4px;
+	margin-bottom: 0px;
+}
+
+div.leaflet-div-icon div div.key {
+	margin: 2px 4px 0px 0px;
+	font-weight: bold;
+	line-height: 10px;
+	display: inline-block;
+}
+
+.data-layer-legend div {
+	display: inline-block;
+	font-size: small;
+}
+
+.data-layer-legend .legend-box, .data-layer-legend .key {
+	vertical-align: middle;
+}
+
+.choropleth-text {
+	font-size: x-small;
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;	
+	vertical-align: middle;
+	text-align: center;
+}
+
+.scale-bars i {
+	vertical-align: bottom;
+	display: inline-block;
+	background-color: silver;
+	height: 14px;
+}
+
+.min-value, .max-value {
+	vertical-align: middle;
+	width: 50px;
+}
+
+.min-value {
+	text-align: right;
+	margin-right: 6px;
+}
+
+.max-value {
+	text-align: left;
+	margin-left: 6px;
+}
+
+.scale-value {
+	text-align: center;
+	position: relative;
+}
+
+.data-layer-legend {
+	padding: 8px 0px 0px 0px;
+}
+
+.scale-bars {
+	vertical-align: middle;
+	line-height: 10px;
+}
+
+.legend-title {
+	font-weight: bold;
+}
+
+.leaflet-popup-content {
+	overflow: auto;
+	max-height: 300px;
+}
+
+.palette-element {
+	display: inline-block;
+	width: 12px;
+	height: 14px;
+}
+
+.leaflet-control-legend {
+	background-color: rgba(255, 255, 255, 0.7);
+	padding: 0px;
+	border-radius: 4px;
+	-webkit-border-radius: 4px;
+	-moz-border-radius: 4px;
+	max-height: 70px;
+	width: 268px;
+	box-shadow: 0 1px 7px #999;
+	overflow: hidden;
+}
+
+.leaflet-control-legend.larger {
+	max-height: 50%;
+	overflow: auto;
+}
+
+.leaflet-control-legend .legend {
+	padding: 10px;
+}
+
+.leaflet-control-legend i {
+	background-image: none;
+	vertical-align: text-bottom;
+}
+
+.photo {
+	width: 100%;
+	height: 100%;
+	padding: 2px;
+	background-color: white;
+	box-shadow: 2px 2px 3px rgba(100, 100, 100, 0.5);
+	opacity: 0;
+	-moz-transition: opacity 1s; /* Firefox 4 */
+	-webkit-transition: opacity 1s; /* Safari and Chrome */
+	-o-transition: opacity 1s;
+	transition: opacity 1s;
+}
+
+.photo-info {
+	background-color: rgba(0, 0, 0, 0.6);
+	padding: 10px;
+	position: absolute;
+	top: 0px;
+	color: white;
+	margin: 2px;
+}
+
+.photo-link {
+	float: right;
+	height: 14px;
+}
+
+.author-link {
+	margin-left: 2px;
+	width: 400px;
+	display: block;
+	font-style: italic;
+	font-weight: bold;
+}
+
+text.leaflet-svg-text {
+	alignment-baseline: central;
+	dominant-baseline: central;
+	text-anchor: middle;
+}
+