Stop the navbar from sticking to the top of screen

templates/base.html

@@ -34,7 +34,7 @@
 <a class="skip-link" href='#main'>Skip to content</a>
 {% include "analytics.html" %}
 {% block navbar %}
-<nav class="navbar fixed-top navbar-expand-lg navbar-dark bg-dark" role="navigation">
+<nav class="navbar navbar-expand-lg navbar-dark bg-dark" role="navigation">
   <div class="container">
       {% block titleheader %}
       {% endblock %}