osem-fcy/app/views/admin/targets/index.html.haml

.row
  .col-md-8
    = semantic_form_for(@conference, url: admin_conference_target_path(@conference.short_title, @conference.targets)) do |f|
      = dynamic_association :targets, 'Targets', f
      = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }