anchor.diff:    <%= script_include_tag 'game' %>
   
     <%= script_include_tag 'yeah/web/start' %>
  +
  +  <script>scaleDisplay()</script>
   </body>
   </html>
  
positive.code:       box-align: center;
      }
  
      html, body{
        width: 100%;
        height: 100%;
      }
  
      canvas {
        max-width: 100%;
        max-height: 100%;
      }
  
      .hidden {
        display: none;
      }
    </style>
  </head>
  <body class="center-content">
    <canvas></canvas>
  
    <div class="hidden">
  
negative.code:   <title>Game</title>
  
    <style>
      html, body {
        overflow: hidden;
        height: 100%;
        margin: 0;
      }
  
      body {
        background: black;
      }
  
      .center-content {
  