mb-3 py-2">
                        <div class="col">
                            <h3>{{ len $.items }} item
                                {{- if gt (len $.items) 1}}s{{end}}
                                in your Shopping Cart</h3>
                        </div>
                        <div class="col text-right">
                            <form method="POST" action="/cart/empty">
                                <button class="btn btn-secondary" type="submit">Empty cart</button>
                      