<header class=“header”>

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

{%- if page_paths -%}
  <nav class="nav">
    {%- for path in page_paths -%}
      {%- assign my_page = site.pages | where: "path", path | first -%}
      {%- if my_page.title -%}
      <a class="nav-link {% if page.url == my_page.url or page.layout == 'post' and my_page.url == '/' %}nav-link-active{% endif %}" href="{{ my_page.url | relative_url }}">
        {%- if my_page.icon -%}
          <i class="{{ my_page.icon }} nav-icon"></i>
        {%- endif -%}
        {{ my_page.title | escape }}
      </a>
      {%- endif -%}
    {%- endfor -%}
  </nav>
{%- endif -%}

</header>