<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Canvas API</title>
  <style>
    #container {
      display: flow-root;
    }
    #canvasbox, #databox {
      float: left;
      width: 365px;
      height: 200px;
      padding: 10px;
      margin: 10px;
      border: 2px solid #B1B1B1;
    }
  </style>
  <script src="canvas.js"></script>
</head>
<body>
  <div id="container">
    <section id="canvasbox">
      <canvas id="canvas" width="365" height="200"></canvas>
    </section>
    <section id="databox"></section>
  </div>
</body>
</html>