index.html

{% extends 'admin/master.html' %}

{% block body %}
  {{ super() }}
  <div class='container'>
      <div>
          <div>
            <h1>Welcome!</h1>
              {% if not current_user.is_authenticated %}
              <h3>Please log in to continue</h3>
              <br>
              <a class='btn btn-primary' href="{{ url_for('security.login') }}">login</a>
              </p>
              <br>
              {% endif %}
              {% if current_user.is_authenticated %}
              <h3>You have successfully logged in.</h3>
              <p>You now have access to the administrator view.</p>
              <a href="{{ url_for('security.logout') }}">Log out</a>
              {% endif %}
          </div>
      </div>
  </div>
{% endblock body %}