openproject/app/views/users/form/_basic_attributes.html.erb

<% unless @user.new_record? %>
<div class="form--field -required">
  <%= f.text_field :login,
                   required: true,
                   size: 25,
                   container_class: '-middle' %>
</div>
<% end %>

<div class="form--field -required">
  <%= f.text_field :firstname,
                   required: true,
                   container_class: '-middle' %>
</div>

<div class="form--field -required">
  <%= f.text_field :lastname,
                   required: true,
                   container_class: '-middle' %>
</div>

<div class="form--field -required">
  <%= f.text_field :mail,
                   required: true,
                   container_class: '-middle' %>
</div>

<div class="form--field">
  <%= f.select :language,
               lang_options_for_select,
               prompt: "--- #{t(:actionview_instancetag_blank_option)} ---",
               container_class: '-middle' %>
</div>