gistfile1.txt

.row
  .col-lg-12.col-md-12.col-sm-12.text-center
    %p.header-text Checkout Order
.row#checkout
  .col-lg-5.col-lg-offset-1.col-md-5.col-md-offset-1.col-sm-5.col-sm-offset-1.col-xs-5.col-xs-offset-1
    = form_for @personal_information, url: checkout_index_path, method: :post do |f|
      = render 'shipping', f: f
      = render 'billing'
      = render 'confirmation'
  .col-lg-5.col-md-5.col-sm-5.col-xs-5
    .box.order-summary
      = render "order_summary"
    .box.promo-code
      %p.sub-title Promo Code
      .form-container
        = form_for @order, url: update_coupon_order_path(@order.id), method: :put, remote: true do |f|
          .form-group
            = f.text_field :coupon_code, placeholder: "Promo Code"
            %label.error Invalid coupon
          .form-group
            %button.btn.btn-default.btn-submit Apply