<header class=“masthead”>

<div class="masthead-title">
  <a href="{{ '/' | relative_url }}" title="Home">{{ site.title }}</a>
  <small class="tagline">{{ site.tagline }}</small>
</div>

{% if site.data.navigation %}
  <nav class="nav">
    <ul class="nav-list">
    {% for item in site.data.navigation %}
      <li class="nav-item">
        <a href="{{ item.url | relative_url }}" class="{% if page.url == item.url %}current{% endif %}">
          {{ item.title }}
        </a>
      </li>
    {% endfor %}
    </ul>
  </nav>
{% endif %}

</header>