%section.card.form-card
  = bootstrap_form_for [:admin, @member] do |f|
    - if @member.errors.any?
      #error_explanation
        %h2
          = pluralize(@member.errors.size, "error")
          prohibited this role from being saved:
        %ul
          - @member.errors.full_messages.each do |msg|
            %li= msg
    .card-body
      = f.collection_check_boxes(:role_ids, Role.all, :id, :name)
    .card-footer
      = f.submit 'Save', class: 'btn btn-success'