diff --git a/_data/header-menu.yml b/_data/header-menu.yml
new file mode 100644
index 0000000..9c8b8a9
--- /dev/null
+++ b/_data/header-menu.yml
@@ -0,0 +1,5 @@
+items:
+  - link: /about/#
+    title: About
+  - link: /media
+    title: Media
\ No newline at end of file
diff --git a/_includes/header.html b/_includes/header.html
index 2a858f9..85c9570 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -14,26 +14,25 @@
 
             <div class="collapse navbar-collapse" id="navbarSupportedContent">
                 <ul class="navbar-nav mr-auto">
-                    <li class="nav-item">
-                        <a class="nav-link" href="{{ '/about' | prepend: site.baseurl }}">About</a>
-                    </li>
-                    <li class="nav-item">
-                        <a class="nav-link" href="{{ '/media' | prepend: site.baseurl }}">Media</a>
-                    </li>
-                    {% comment %}
-                    <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">
-                            Dropdown
-                        </a>
-                        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
-                            <a class="dropdown-item" href="#">Action</a>
-                            <a class="dropdown-item" href="#">Another action</a>
-                            <div class="dropdown-divider"></div>
-                            <a class="dropdown-item" href="#">Something else here</a>
-                        </div>
-                    </li>
-                    {% endcomment %}
+                    {% for item in site.data.header-menu.items %}
+                        {% if item.items %}
+                            <li class="nav-item dropdown">
+                                <a class="nav-link dropdown-toggle" href="{{ item.link }}" id="navbarDropdown" role="button"
+                                   data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+                                    {{ item.title }}
+                                </a>
+                                <div class="dropdown-menu" aria-labelledby="navbarDropdown">
+                                    {% for subitem in item.items %}
+                                        <a class="dropdown-item" href="{{ subitem.link }}">{{ subitem.title }}</a>
+                                    {% endfor %}
+                                </div>
+                            </li>
+                        {% else %}
+                            <li class="nav-item">
+                                <a class="nav-link" href="{{ item.link }}">{{ item.title }}</a>
+                            </li>
+                        {% endif %}
+                    {% endfor %}
                 </ul>
             </div>
         </div>