= simple_nested_form_for [:admin, @subject], turboboost: true, validate: true do |f|
  .row
    .col-sm-12
      = f.input :name
  .row
    .col-sm-12
      = f.input :description
  .row
    .col-sm-12.text-center
      = f.button :submit, @subject.new_record? ? "Add #{Subject.model_name.human}" : "Update #{Subject.model_name.human}", class: 'btn-default'