citibike: june 2016

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<meta charset="utf-8">
<style>

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h1, h2, h3, h4, h5, h6 {
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.axis .tick {
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}

</style>
<body>
  <div class="g-chart-container">
    <h2> Citibike: June 2016 </h2>
  </div>
</body>
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<script>

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https://d3js.org/d3.v4.0.0-alpha.9.min.js