.checkout-button
  .standard
    a.btn.btn-success.btn-lg.btn-block(ng-click='checkout()' ng-disabled='processing')
      span(ng-hide="processing")
        | Checkout
        span.glyphicon.glyphicon-chevron-right

      span(ng-show="processing")
        i.fa.fa-refresh.fa-spin
        |  Processing ...