app/templates/header.html

<div class="header">
  <div class="container">
    <div class="d-flex">
      <a class="header-brand" href="{{ url_for('dashboard.index') }}">
        <img src="/static/logo.svg" class="header-brand-img" style="max-width: 8rem" alt="logo">
      </a>

      <div class="d-flex order-lg-2 ml-auto">
        <div class="nav-item" data-toggle="dark-mode" title='Toggle bright/dark mode'>
          <i class="fe fe-moon"></i>
        </div>

        {% if current_user.should_show_upgrade_button() %}
          <div class="nav-item">
            <a href="{{ url_for('dashboard.pricing') }}" class="btn btn-sm btn-outline-primary">Upgrade</a>
          </div>
        {% endif %}

        <div class="nav-item">

          <a onclick="startIntro()"
             data-intro="Welcome to SimpleLogin! <br><br>
  It seems that this is the first time you are here,
  let's walk through some SimpleLogin features together! <br><br>
             You can always show this tutorial again any time by clicking on this <i class='fe fe-help-circle'></i> icon above 👆"
             data-step="1"
          ><i class="fe fe-help-circle"></i></a>
        </div>


        <div id="notification-app" class="dropdown d-none d-md-flex" v-if="showNotification">
          <a class="nav-link icon" data-toggle="collapse" href="#notifications" style="height: 100%">
            <i class="fe fe-bell"></i>
            <span v-if="has_non_read_notification" class="nav-unread"></span>
            <span v-else class="nav-read"></span>
          </a>

          <div class="dropdown-menu dropdown-menu-right dropdown-menu-arrow collapse" id="notifications">
            <div v-if="loading">Loading ...</div>
            <div class="dropdown-item d-flex" v-for="notification in notifications">
              <div class="flex-grow-1">
                <div v-html="notification.message"
                     style="width: 40em; word-wrap:break-word; white-space: normal"></div>
                <div class="small text-muted">
                  [[notification.created_at]]
                </div>
              </div>
              <div v-if="!notification.read">
                <i class="fe fe-check"
                   @click="markAsRead(notification)"
                   data-toggle="tooltip" title="mark as read"></i>
              </div>
            </div>

            <div class="text-center">
              <button v-if="canLoadMore" @click="loadMore()" class="btn btn-link">Load more</button>
            </div>

          </div>

        </div>

        <div class="dropdown">
          <a href="#" class="nav-link pr-0 leading-none" data-toggle="dropdown">
            {% if current_user.profile_picture_id %}
              <span class="avatar" style="background-image: url('{{ current_user.profile_picture_url() }}')"></span>
            {% else %}
              <span class="avatar avatar-blue">{{ current_user.get_name_initial() or "👻" }}</span>
            {% endif %}

            <span class="ml-2 d-none d-lg-block">
							<span class="text-default">
                {{ current_user.name }}
              </span>

              {% if current_user.in_trial() %}
                <small class="text-success d-block mt-1">Premium expires {{ current_user.trial_end|dt }}
                <i class="fe fe-info" data-toggle="tooltip"
                   title="After you signed up you were given a free 7 day Premium trial, after this period your account will automatically be downgraded to the Free plan."></i>
                </small>
              {% elif current_user.is_premium() %}

                <small class="text-success d-block mt-1">Premium
                  {% set sub = current_user.get_subscription() %}
                  {% if sub and sub.cancelled and not current_user.lifetime %}
                    until {{ sub.next_bill_date.strftime("%Y-%m-%d") }}
                  {% endif %}
                </small>
              {% endif %}

						</span>
          </a>

          <div class="dropdown-menu dropdown-menu-right dropdown-menu-arrow">
            <a class="dropdown-item" href="{{ url_for('auth.logout') }}">
              <i class="dropdown-icon fe fe-log-out"></i> Sign out
            </a>

          </div>

        </div>
      </div>

      <a href="#" class="header-toggler d-lg-none ml-3 ml-lg-0" data-toggle="collapse"
         data-target="#headerMenuCollapse">
        <span class="header-toggler-icon"></span>
      </a>
    </div>
  </div>
</div>

<div class="header collapse d-lg-flex p-0" id="headerMenuCollapse">
  <div class="container">
    <div class="row align-items-center">
      <div class="col-lg order-lg-first">
        {% include "menu.html" %}
      </div>
    </div>
  </div>
</div>