      """
      first = True
      pk = cl.lookup_opts.pk.attname
      for field_name in cl.list_display:
          row_class = ''
          try:
              f, attr, value = lookup_field(field_name, result, cl.model_admin)
          except ObjectDoesNotExist:
              result_repr = EMPTY_CHANGELIST_VALUE
          else:
 
</s> remove                     row_class = mark_safe(' class="action-checkbox"')
 </s> add                     row_classes = ['action-checkbox'] </s> remove                     row_class = mark_safe(' class="nowrap"')
 </s> add                     row_classes.append('nowrap') </s> remove                     row_class = mark_safe(' class="nowrap"')
 </s> add                     row_classes.append('nowrap')
        row_classes = ['field-%s' % field_name]
      """
      first = True
      pk = cl.lookup_opts.pk.attname
      for field_name in cl.list_display:
        row_classes = ['field-%s' % field_name]
          try:
              f, attr, value = lookup_field(field_name, result, cl.model_admin)
          except ObjectDoesNotExist:
              result_repr = EMPTY_CHANGELIST_VALUE
          else:
keep keep keep keep replace keep keep keep keep keep
 Fixed #11195 -- Added CSS classes to the changelist cells to allow style customizations. Thanks to akaihola, Ramiro Morales and vdboor for their work on the patch. 
django/contrib/admin/templatetags/admin_list.py