app/views/admin/field_groups/_top_section.html.haml
.section
= f.hidden_field :klass_name
%table{style: 'width:auto;'}
%tr
%td
.label.top.req= t(:label) + ":"
= f.text_field :label
%td= spacer
%td
.label.top
=t(:restrict_by_tag)
%small= t(:restrict_by_tag_info, assets: f.object.klass_name.downcase.pluralize)
= f.select :tag_id, Tag.all.map { |tag| [tag.name, tag.id] }, include_blank: true, class: 'select2'