simple-login/app/templates/sign_in_with_sl_base.html

{% extends "base.html" %}

{% block content %}

  <div class="page-single">
    <div class="container">
      <div class="row">
        <div class="col mx-auto" style="max-width: 48rem">
          <div class="text-center mb-6">
            <a href="{{ LANDING_PAGE_URL }}">
              <img src="/static/siwsl.svg"
                   style="background-color: transparent;
                          height: 80px">
            </a>
          </div>
          {% block single_content %}{% endblock %}
        </div>
      </div>
    </div>
  </div>
{% endblock %}