admin_interface/templates/admin/includes/headerless_fieldset.html
<fieldset class="module aligned {{ fieldset.classes }}">
{% if fieldset.description %}
<div class="description">{{ fieldset.description|safe }}</div>
{% endif %}
{% for line in fieldset %}
<div class="form-row{% if line.fields|length == 1 and line.errors %} errors{% endif %}{% if not line.has_visible_field %} hidden{% endif %}{% for field in line %}{% if field.field.name %} field-{{ field.field.name }}{% endif %}{% endfor %}">
{% if line.fields|length == 1 %}{{ line.errors }}{% endif %}
{% for field in line %}
<div{% if not line.fields|length == 1 %} class="fieldBox{% if field.field.name %} field-{{ field.field.name }}{% endif %}{% if not field.is_readonly and field.errors %} errors{% endif %}{% if field.field.is_hidden %} hidden{% endif %}"{% elif field.is_checkbox %} class="checkbox-row"{% endif %}>
{% if not line.fields|length == 1 and not field.is_readonly %}{{ field.errors }}{% endif %}
{% if field.is_checkbox %}
{{ field.field }}{{ field.label_tag }}
{% else %}
{{ field.label_tag }}
{% if field.is_readonly %}
<div class="readonly">{{ field.contents }}</div>
{% else %}
{{ field.field }}
{% endif %}
{% endif %}
</div>
{% if field.field.help_text %}
<div class="help"{% if field.field.id_for_label %} id="{{ field.field.id_for_label }}_helptext"{% endif %}>
{{ field.field.help_text|safe }}
</div>
{% endif %}
{% endfor %}
</div>
{% endfor %}
</fieldset>