orbit-basic/app/views/desktop/co_authors/_form.html.erb

<div class="fn_g hp">
  <%= f.submit "Save", name: "commit", value: "Save", class: "fn_btn hh2 thmc2 thmtxt" %>
  <%= submit_tag "Cancel", :type => "button", class: "bt-cancel fn_btn hh2 thmc2 thmtxt" %>
</div>

<div></div>
<ul>
  <li class="s_grid_row">
  <%= f.label :co_author %><br />
  <%= f.text_field :co_author %>
  </li>

  <li class="s_grid_row">
  <%= f.label :email %><br />
  <%= f.text_field :email %>
  </li>


  <%= f.label :type%><br />
  <select name="co_author[co_author_relations_id]" id="" class="s_grid s_grid_4">
    <%= options_for_select(
      @co_author_relations.map do |relation|
        [relation.relation, relation.id]
      end
    )%>
  </select>
  </li>
</ul>