<!DOCTYPE html>
<meta charset="utf-8">
<style>

.node {
  cursor: pointer;
}

.node circle {
  fill: #fff;
  stroke: steelblue;
  stroke-width: 1.5px;
}

.node text {
  font: 10px sans-serif;
}

.link {
  fill: none;
  stroke: #ccc;
  stroke-width: 1.5px;
}

</style>
<body>
<script src="packages/d3/d3.min.js" charset="utf-8"></script>
<script type="application/dart" src="main.dart"></script>
<script src="packages/browser/dart.js"></script>
</body>