{% include base_path %}

<div class="masthead">
  <div class="masthead__inner-wrap">
    <div class="masthead__menu">
      <nav id="site-nav" class="greedy-nav">
        <button><div class="navicon"></div></button>
        <ul class="visible-links">
          <!--<li class="masthead__menu-item masthead__menu-item--lg"><a href="{{ base_path }}/">{{ site.title }}</a></li>-->
          <li class="masthead__menu-item masthead__menu-item--lg"><a href="{{ base_path }}/"><img src="{{ base_path }}/jupyter_notebook_jekyll_theme/images/logo-navbar.png" style="width: 150px"/></a></li>
          {% for link in site.data.navigation.main %}
            {% if link.url contains 'http' %}
              {% assign domain = '' %}
              {% else %}
              {% assign domain = base_path %}
            {% endif %}
            <li class="masthead__menu-item"><a href="{{ domain }}{{ link.url }}">{{ link.title }}</a></li>
          {% endfor %}
        </ul>
        <ul class="hidden-links hidden"></ul>
      </nav>
    </div>
  </div>
</div>

{% include base_path %}

<div class="masthead">
  <div class="masthead__inner-wrap">
    <div class="masthead__menu">
      <nav id="site-nav" class="greedy-nav">
        <button><div class="navicon"></div></button>
        <ul class="visible-links">
          <!--<li class="masthead__menu-item masthead__menu-item--lg"><a href="{{ base_path }}/">{{ site.title }}</a></li>-->
          <li class="masthead__menu-item masthead__menu-item--lg"><a href="http://bigcz.org"><img src="{{ base_path }}/jupyter_notebook_jekyll_theme/images/logo-navbar.png" style="width: 150px"/></a></li>
          {% for link in site.data.navigation.main %}
            {% if link.url contains 'http' %}
              {% assign domain = '' %}
              {% else %}
              {% assign domain = base_path %}
            {% endif %}
            <li class="masthead__menu-item"><a href="{{ domain }}{{ link.url }}">{{ link.title }}</a></li>
          {% endfor %}
        </ul>
        <ul class="hidden-links hidden"></ul>
      </nav>
    </div>
  </div>
</div>

Change logo link from home to an external page.
Change logo link from home to an external page.
