Untitled

<!DOCTYPE html>
<meta charset="utf-8">
<head>
  <link rel = "stylesheet" type = "text/css" href = "stacked-bars.css" />
  <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@5.15.0/dist/d3.min.js"></script>
</head>

<body>
  <div class="container">
    <script src="stacked-bars.js"></script>
    Select year:
    <select id="year"></select>

    <input type="checkbox" id="sort">
    Toggle sort
  </div>
</body>
</html>