anchor.diff:        </div>
       </div>
       <div class='form-group'>
  -      <label class='control-label col-sm-2'><%= t(".captcha") %></label>
  -      <div class='col-sm-4'>
  +      <label class='control-label col-sm-4 col-md-3 col-lg-2'><%= t(".captcha") %></label>
  +      <div class='col-sm-8 col-md-6 col-lg-4'>
           <div class='checkbox'>
             <label for="setting_use_recaptcha">
               <%= check_box(:setting, :use_recaptcha) %>
  
positive.code:   <fieldset class='form-horizontal'>
      <legend><%= t(".spam") %></legend>
      <div class='form-group'>
        <label class='control-label col-sm-2'><%= t(".spam_protection") %></label>
        <div class='col-sm-4'>
          <div class='checkbox'>
            <label for="setting_sp_global">
              <%= check_box(:setting, :sp_global) %>
  
negative.code:       </div>
      </div>
      <div class='form-group'>
        <label class='control-label col-sm-4 col-md-3 col-lg-2' for="setting_sp_url_limit"><%= t(".max_links") %></label>
        <div class='col-sm-8 col-md-6 col-lg-4'>
          <div class="row">
            <div class='col-sm-3'>
              <%= text_field(:setting, :sp_url_limit, {:size => 4, :class => 'form-control'}) %>
  