users/templates/users/login.html

{% extends "themes/"|add:settings.page_theme|add:"/base.html" %}
{% load i18n %}

{% block content %}

    <form class="form" method="post">
      {% csrf_token %}
      {{ form.as_p }}
      <input type="submit" value="{% trans "Login" %}" class="button" />
    </form>
{% endblock content %}