templates/registration/login.html
{% extends 'base.html' %}
{% load bootstrap4 %}
{% block title %}Login{% endblock %}
{% block content %}
{% if next %}
{% if user.is_authenticated %}
{% bootstrap_alert "Your account doesn't have access to this page. To proceed,
please login with an account that has access." alert_type='danger' %}
{% else %}
{% bootstrap_alert "Please login to see this page." alert_type='danger' %}
{% endif %}
{% endif %}
<h2 class="text-center">Log in</h2>
<form method="post" action="{% url 'login' %}">
{% csrf_token %}
{% bootstrap_form form %}
{% buttons %}
<div class="text-center">
<button class="btn btn-primary" type="submit">Log in</button>
</div>
<input type="hidden" name="next" value="{{ next }}" />
{% endbuttons %}
</form>
{% endblock %}