anchor.diff:      <h2 class="thredded--preferences--title">
         <%= t 'thredded.preferences.messageboard_preferences_title_html', messageboard: messageboard.name %>
       </h2>
  -    <ul class="thredded--form-list" data-thredded-user-preferences-form-messageboard-fields>
  -      <li>
  +    <ul class="thredded--form-list thredded--user-preferences-messageboard" data-thredded-user-preferences-form-messageboard-fields>
  +      <li class="thredded--user-preferences--auto-follow-topics">
           <%= f.label :messageboard_auto_follow_topics do %>
             <%= f.check_box :messageboard_auto_follow_topics %>
             <%= t 'thredded.preferences.form.messageboard_auto_follow_topics.label' %>
  
positive.code:         </p>
        <% end %>
      </li>
      <li>
        <%= f.label :follow_topics_on_mention do %>
          <%= f.check_box :follow_topics_on_mention, 'data-thredded-bound-messageboard-pref' => 'user_preferences_form[messageboard_follow_topics_on_mention]' %>
          <%= t 'thredded.preferences.form.follow_topics_on_mention.label' %>
  
negative.code:     class: 'thredded--form thredded--notification-preferences-form',
      'data-thredded-user-preferences-form' => true
  }) do |f| %>
    <ul class="thredded--form-list thredded--user-preferences-global">
      <li class="thredded--user-preferences--auto-follow-topics">
        <%= f.label :auto_follow_topics do %>
          <%= f.check_box :auto_follow_topics,
                          'data-thredded-update-checkbox-on-change' =>
  