netbox/netbox/templates/dcim/site_edit.html

{% extends 'utilities/obj_edit.html' %}
{% load form_helpers %}

{% block form %}
    <div class="panel panel-default">
        <div class="panel-heading"><strong>Site</strong></div>
        <div class="panel-body">
            {% render_field form.name %}
            {% render_field form.slug %}
            {% render_field form.tenant %}
            {% render_field form.facility %}
            {% render_field form.asn %}
            {% render_field form.physical_address %}
            {% render_field form.shipping_address %}
        </div>
    </div>
    <div class="panel panel-default">
        <div class="panel-heading"><strong>Custom Fields</strong></div>
        <div class="panel-body">
            {% render_custom_fields form %}
        </div>
    </div>
    <div class="panel panel-default">
        <div class="panel-heading"><strong>Comments</strong></div>
        <div class="panel-body">
            {% render_field form.comments %}
        </div>
    </div>
{% endblock %}