diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/examples/force/force.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/examples/force/force.css	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,9 @@
+circle.node {
+  stroke: #fff;
+  stroke-width: 1.5px;
+}
+
+line.link {
+  stroke: #999;
+  stroke-opacity: .6;
+}