{% if echo %}
  <form method="post" action="{% url 'homepage:echo_submit' %}">
{% else %}
  <form method="post">
{% endif %}
{% csrf_token %}
{% for field in form.visible_fields %}
  <div class="mb-3 {% if field.widget_type == 'checkbox' %}form-check{% endif %}">
    <label for="{{ field.id_for_label }}" class="form-label">{{ field.label }}</label>
    {{ field }}
    {% if field.help_text %}
      <div class="form-text">{{ field.help_text }}</div>
    {% endif %}
  </div>
  {% endfor %}
    <button type="submit" class="btn btn-primary" style="margin-top: 50px">Отправить</button>
</form>