netbox-community-netbox/netbox/templates/dcim/device_component_add.html

{% extends 'base.html' %}
{% load form_helpers %}

{% block title %}Create {{ component_type }}{% endblock %}

{% block content %}
<form action="" method="post">
    {% csrf_token %}
    <div class="row">
        <div class="col-md-6 col-md-offset-3">
            {% if form.non_field_errors %}
                <div class="card bg-danger">
                    <h5 class="card-header">Errors</h5>
                    <div class="card-body">
                        {{ form.non_field_errors }}
                    </div>
                </div>
            {% endif %}
            <div class="card">
                <h5 class="card-header">{{ component_type|title }}</h5>
                <div class="card-body">
                    {% render_form form %}
                </div>
            </div>
            <div class="col-md-9 col-md-offset-3">
                <button type="submit" name="_create" class="btn btn-primary">Create</button>
                <button type="submit" name="_addanother" class="btn btn-primary">Create and Add More</button>
                <a href="{{ return_url }}" class="btn btn-default">Cancel</a>
            </div>
        </div>
    </div>
</form>
{% endblock %}