netbox/netbox/templates/dcim/rack_edit.html

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

{% block form %}
    <div class="panel panel-default">
        <div class="panel-heading"><strong>Rack</strong></div>
        <div class="panel-body">
            {% render_field form.site %}
            {% render_field form.group %}
            {% render_field form.name %}
            {% render_field form.facility_id %}
            {% render_field form.u_height %}
        </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 %}