autonomic.zone/src/_includes/header.html

<!-- Page Wrapper -->
<div id="page-wrapper">

  <!-- Header -->
  <header id="header" {% if page.layout == 'default' %} class="alt" {% endif %}>
    <h1><a href="{{ "/" | absolute_url }}">Autonomic</a></h1>
    <nav id="nav">
      <ul>
        <li class="special">
          <a href="#menu" class="menuToggle"><span>Menu</span></a>
          <div id="menu">
            <ul>
              {% for page in site.pages %} 
                {% if page.layout == "default" %}
                  <li><a href="{{ page.url | absolute_url }}">{{ page.title }}</a></li>
                {% endif %} 
              {% endfor %} 
              {% for page in site.pages %} 
                {% if page.layout == "page" or page.layout == "spotlight" %}
                  {% unless page.hidden %}
                  <li><a href="{{ page.url | absolute_url }}">{{ page.title }}</a></li>
                    {% endunless %}
                {% endif %} 
              {% endfor %}
            </ul>
          </div>
        </li>
      </ul>
    </nav>
  </header>