_layouts/default.html

<!doctype html>
<html>
<head>
  <meta charset='utf-8'>
  <meta http-equiv='X-UA-Compatible' content='IE=edge,chrome=1'>
  <title>{{ page.title }}</title>
  <meta name='viewport' content='width=device-width'>
  <meta name='renderer' content='webkit'>
  <link rel='stylesheet' href='/css/reset.css' />
  <!-- syntax highlighting CSS 
  <link rel='stylesheet' href='/css/style.css' />
  <link rel='stylesheet' href='/css/pygments.css' />
  <link rel='stylesheet' href='/css/normalize.css' />
  -->
</head>
<body>
  <header>
    <nav>
      <ul>
        {% for nav in site.data.nav %}
          <li>
            <a href='/{{ nav.href }}'>{{ nav.title }}</a>
          </li>
        {% endfor%}
      </ul>
    </nav>
  </header>

  <main class='inner'>
    {{ content }}
  </main>

  <footer>
    <a href='https://github.com/chunpu'>Chunpu</a> Copyright © 2014 blog.biedalian.com
  </footer>
</body>
</html>
<!-- ga -->
<script>
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  ga('create', 'UA-48559923-1', 'biedalian.com');
  ga('send', 'pageview');
</script>