diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/examples/tree/tree.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/examples/tree/tree.css	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,15 @@
+.node circle {
+  fill: #fff;
+  stroke: steelblue;
+  stroke-width: 1.5px;
+}
+
+.node {
+  font: 10px sans-serif;
+}
+
+.link {
+  fill: none;
+  stroke: #ccc;
+  stroke-width: 1.5px;
+}