   <ul class="navbar-nav justify-content-end">
        <li class="nav-item d-flex align-items-center">
            {% if current_user.is_authenticated %}
              <div class="show">
                <div class="dropdown">
                  <a class="nav-link" href="javascript:void(0);" role="button" id="user_dropdown" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                    <div class="photo">
                      <img src="{{ current_user.display_avatar }}" style="height: