flask-soc-site/flask_soc_site/templates/navbar.html

<!--
<style>
  ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
  }
</style>
-->

<nav class="navbar">
  <!--Wound up going for a really simple navbar included in layout.html which as Jinja url_for-links to both functions. -->
  <ul>
    <li><b><a href="{{url_for('lookup')}}">Home</a></b></li>
    <li><b><a href="{{url_for('history')}}">History</a></b></li>
  </ul>
</nav>