<header class=“header”>

<div class="container">
  <div class="row">
    <a href="/" title="Zurück zur Homepage">
      {% include header_logo.html %}
    </a>
    <nav class="header-nav">
      <label for="hamburger">&#9776;</label>
      <input type="checkbox" class="header-navHamburger" id="hamburger" />

      <div class="header-navItems">
        {% for item in site.data.navigation.main.items %}
          <a {% if item.url == page.url %} class="active"{% endif %} href="{{ item.url }}">{{ item.title }}</a>
        {% endfor %}
      </div>
    </nav>
  </div>
</div>

</header>