Show currently selected nav item

templates/macros.html

@@ -42,7 +42,11 @@
 {% macro subnav() %}
 <ul>
 	{% for item in config.extra.menu %}
-		<li><a href="{{ item.path }}">{{ item.name }}</a></li>
+		<li><a href="{{ item.path }}"
+			{% if item.path == current_path %}
+			   class="active"
+			{% endif %}
+		>{{ item.name }}</a></li>
 	{% endfor %}
 </ul>
 {% endmacro subnav %}