<%= form.label :first_name, 'Vorname', class: 'col-form-label' %> *

<%= form.text_field :first_name, id: "#{id_stem}_first_name", class: 'form-control', autofocus: true, required: true %>

<%= form.label :last_name, 'Nachname', class: 'col-form-label' %> *

<%= form.text_field :last_name, id: "#{id_stem}_last_name", class: 'form-control', required: true %>