index.html

<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>Color</title>
  <meta name="description" content="play with color">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1">
  <link rel="stylesheet" href="style.css">
  <script src="lib/modernizr.min.js"></script>
  <script src="lib/hammer.min.js"></script>
  <script src="lib/helpers.js"></script>
</head>
<body>
  <div id="instructions">
    drag and <span class="touch">pinch</span><span class="no-touch">scroll</span> to play<br/>
    <span class="touch">tap</span><span class="no-touch">click</span> to save
  </div>
  
  <div id="overlay">
    <div class="text">
      portrait only
    </div>
  </div>

  <canvas id="canvas"></canvas>
  <script src="script.js"></script>
</body>
</html>