<header class=“page-header” role=“banner”>

{%- assign default_paths = site.pages | map: "path" -%}
{%- assign page_paths = site.header_pages | default: default_paths -%}

{%- if page_paths -%}
  <nav>
    <div class="nav-wrapper container">
      <a class="brand-logo" rel="author" href="{{ "/" | relative_url }}">{{ site.title | escape }}</a>
      <a href="#" data-target="nav-mobile" class="sidenav-trigger"><i class="material-icons">menu</i></a>
      <ul class="right hide-on-med-and-down" id="nav-large">
        {%- include nav-links.html -%}
      </ul>
    </div>

    <ul class="sidenav" id="nav-mobile">
      {%- include nav-links.html -%}
    </ul>
  </nav>
{%- endif -%}

</header>