<nav class=“navbar navbar-expand-md navbar-light fixed-top navbar-custom {% if page.nav-short %}top-nav-short-permanent{% else %}top-nav-regular{% endif %}”>

{%- if site.title-img -%}
  <a class="navbar-brand navbar-brand-logo" href="{{ '' | absolute_url }}"><img alt="{{ site.title }} Logo" src="{{ site.title-img }}"/></a>
{%- elsif site.title -%}
  <a class="navbar-brand" href="{{ '' | absolute_url }}">{{ site.title }}</a>
{%- endif -%}

<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#main-navbar" aria-controls="main-navbar" aria-expanded="false" aria-label="Toggle navigation">
  <span class="navbar-toggler-icon"></span>
</button>

<div class="collapse navbar-collapse" id="main-navbar">
  <ul class="navbar-nav ml-auto">
    {%- for link in site.navbar-links -%}
      {%- if link[1].first %}
        <li class="nav-item dropdown">
          <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">{{ link[0] }}</a>
          <div class="dropdown-menu" aria-labelledby="navbarDropdown">
            {%- for childlink in link[1] -%}
              {%- for linkparts in childlink %}
                <a class="dropdown-item" href="{{ linkparts[1] | relative_url }}">{{ linkparts[0] }}</a>
              {%- endfor -%}
            {%- endfor %}
          </div>
        </li>
      {% else %}
        <li class="nav-item">
          <a class="nav-link" href="{{ link[1] | relative_url }}">{{ link[0] }}</a>
        </li>
      {%- endif -%}
    {%- endfor -%}
  </ul>
</div>

{% if site.avatar and page.show-avatar != false %}
  <div class="avatar-container">
    <div class="avatar-img-border">
      <a href="{{ '' | absolute_url }}">
        <img alt="Navigation bar avatar" class="avatar-img" src="{{ site.avatar | relative_url }}" />
      </a>
    </div>
  </div>
{% endif %}

</nav>