social_media_platform/application/templates/registration/login.html

{% extends "base.html" %} 
{% block content %} 
{% if form.errors %}
<p>Your username and password didn't match. Please try again.</p>
{% endif %} 
{% if next %} 
{% if user.is_authenticated %}
<p>Your account doesn't have access to this page. To proceed, please login with an account that has access.</p>
{% else %}
<p>Please login to see this page.</p>
{% endif %} 
{% endif %}

<form method="post" action="{% url 'login' %}">
    {% csrf_token %}

    <div>
        <td>{{ form.username.label_tag }}</td>
        <td>{{ form.username }}</td>
    </div>
    <div>
        <td>{{ form.password.label_tag }}</td>
        <td>{{ form.password }}</td>
    </div>

    <div>
        <input type="submit" value="login" />
        <input type="hidden" name="next" value="{{ next }}" />
    </div>
</form>

{% endblock %}