.panel.panel-default.form-fields
  .panel-heading
    %h3.panel-title
      = link_to "##{ form.nested_resource_dom_id }", class: "nested-input-title collapsed#{ (' has-error' if form.object.errors.any?) }", data: { toggle: 'collapse', :'open-on-insert' => true } do
        = form.nested_resource_name
        %i.fa.fa-angle-up

  .panel-body.panel-collapse.form-inputs.collapse{ id: form.nested_resource_dom_id }
    = render partial: find_partial_for(model, :fields), locals: { form: form, parent: form.object }.merge(nested_locals)