<div class="{$form.class|default='row form-group'}">
  <label class="{$form.class_left|default='col-md-2'}" for="{$form.name}"><strong>{$form.title}</strong></label>
  <div class="{$form.class_right|default='col-md-6'}">{:lang('unSupport')}</div>
</div>