<header id="header">

  <div class="landmark-content">
    <h1 class="main-title"><a href="{{ site.baseurl }}/">{{ site.title }}</a></h1>
  </div>

  <nav>

    <div class="landmark-content">
      <ul id="main-nav">
        <li><a href="/">Home</a></li>
        <li><a href="/labs/">Labs</a></li>
        <li><a href="/tags/">Tags</a></li>
        <li><a href="/about/">About <span class="offscreen">me</span></a></li>
      </ul>
    </div>

  </nav>

</header>

<header id="header">

  <div class="landmark-content">
    <h1 class="main-title"><a href="{{ site.baseurl }}/">{{ site.title }}</a></h1>
  </div>

  <nav>

    <div class="landmark-content">
      <ul id="main-nav">
        <li><a href="/">Home</a></li>
        <li><a href="/labs/">Labs</a></li>
        <li><a href="/about/">About <span class="offscreen">me</span></a></li>
      </ul>
    </div>

  </nav>

</header>

Remove tags from main nav
Remove tags from main nav
