{% load rest_framework %}
<fieldset>
  {% if field.label %}
    <div class="form-group" style="border-bottom: 1px solid #e5e5e5">
      <legend class="control-label col-sm-2 {% if style.hide_label %}sr-only{% endif %}" style="border-bottom: 0">
        {{ field.label }}
      </legend>
    </div>
  {% endif %}

  {% for nested_field in field %}
    {% if not nested_field.read_only %}
      {% render_field nested_field style=style %}
    {% endif %}
  {% endfor %}
</fieldset>