Create a theme out of my page

templates/navbar.html

@@ -0,0 +1,19 @@
+{% set section = get_section(path=page.ancestors | last) %}
+<navbar class="navbar level">
+  <div class="level-left">
+    <ul>
+      <li><a href="{{ config.base_url }}">home</a></li>
+      {% if page.higher %}
+      <li><a href="{{ page.higher.path }}">{{ page.higher.title }}</a></li>
+      {% endif %}
+    </ul>
+  </div>
+  <div class="level-right has-text-right">
+    <ul>
+      <a href="{{ section.path }}">Reiseindex</a>
+      {% if page.lower %}
+      <li><a href="{{ page.lower.path }}">{{ page.lower.title }}</a></li>
+      {% endif %}
+    </ul>
+  </div>
+</navbar>