<h3 class="post-form--title">New Private Topic</h3>

<%= form_for [messageboard, private_topic],
  url: messageboard_private_topics_path(messageboard, @private_topic),
  html: { class: css_class } do |form| %>

  <ul class="form-list">
    <li>
      <%= form.label :title %>
      <%= form.text_field :title, { placeholder: placeholder, autofocus: 'autofocus' } %>
    </li>

    <li>
      <%= form.label :user_id, 'Users' %>
      <%= form.select :user_ids,
        form.object.users_options,
        form.object.selected_options,
        form.object.html_options %>
    </li>

    <%= render 'thredded/posts/content_field', form: form %>

    <li class="submit">
      <%= form.submit 'Create New Private Topic', class: 'button-wide' %>
    </li>
  </ul>
<% end %>


<%= form_for [messageboard, private_topic],
  url: messageboard_private_topics_path(messageboard, @private_topic),
  html: { class: css_class } do |form| %>

  <ul class="form-list on-top">
    <li class="title">
      <%= form.label :title, 'Private Topic Title' %>
      <%= form.text_field :title, { placeholder: placeholder } %>
    </li>

    <li>
      <%= form.label :user_id, 'Users in Private Topic' %>
      <%= form.select :user_ids,
        form.object.users_options,
        form.object.selected_options,
        form.object.html_options %>
    </li>

    <%= render 'thredded/posts/content_field', form: form %>

    <li class="submit">
      <%= form.submit 'Create New Private Topic' %>
    </li>
  </ul>
<% end %>


Make private topics form act like topics form
Make private topics form act like topics form
