gauge

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<!DOCTYPE>
<html>
  <head>
    <meta charset=utf-8>
    <link rel="stylesheet" href="index.css">
  </head>
  <body>
    <div class="gauge cube">
      <div class="back"></div>
      <div class="left"></div>
      <div class="bottom"></div>
​
      <div class="cube">
        <div class="top"></div>
        <div class="front"></div>
        <div class="right"></div>
        <div class="back"></div>
        <div class="left"></div>
        <div class="bottom"></div>
      </div>
    </div>
  </body>
</html>
    