flask-json-dream-website/templates/navbar.html

<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
    <a class="navbar-brand" href="#"></a>

    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar"
      aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>

    <div class="collapse navbar-collapse" id="navbar">
      
      <!-- left side -->
      <ul class="navbar-nav mr-auto">

        <li class="nav-item">
          <a class="nav-link" href="/">Home</a>
        </li>

        {% if conf["teamspeak-server"] %}
        <li class="nav-item right">
          <a class="nav-link" href="ts3server://{{ conf['teamspeak-server'] }}">Teamspeak</a>
        </li>
        {% endif %}
        
        {% if conf["discord-server"] %}
        <li class="nav-item right">
          <a class="nav-link" href="{{ conf['discord-server'] }}">Discord</a>
        </li>
        {% endif %}

      </ul>

      <!-- right side -->
      <ul class="navbar-nav">
        
        {% if conf["instragram"] %}
        <li class="nav-item right">
          <a class="nav-link" href="{{ conf['instragram'] }}">Instagram</a>
        </li>
        {% endif %}

        {% if conf["facebook"] %}
        <li class="nav-item right">
          <a class="nav-link" href="{{ conf['facebook'] }}">Facebook</a>
        </li>
        {% endif %}

        {% if conf["twitter"] %}
        <li>
          <a class="nav-link" href="{{ conf['twitter'] }}">Twitter</a>
        </li>
        {% endif %}

      </ul>
      
    </div>
</nav>
<nav class="navbar navbar-dark bg-dark fake">
  <li class="navbar-nav">
    <a class="nav-link" href="#">placeholder</a>
  </li>
</nav>