.card.p-0.drop-shadow.rounded-0.top-border-default.mb-4{class: classy("box")}
  - if voo.show? :box_top
    .card-header{class: classy("box-top")}
      = render :box_top
  - if voo.show? :box_middle
    .card-body{class: classy("box-middle")}
      = render :box_middle
  - if voo.show? :box_bottom
    .card-footer{class: classy("box-bottom")}
      = render :box_bottom