<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title>Bubble chart</title>
  <link href="../../node_modules/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body ng-app="app">
<br/>
<div id="container" class="container">
  <div class="row" ng-controller="BubbleCtrl">
    <div class="col-lg-6 col-sm-12">
      <div class="panel panel-default">
        <div class="panel-heading">Bubble chart</div>
        <div class="panel-body">
          <canvas class="chart chart-bubble"