diff --git a/core/modules/block/block.admin.inc b/core/modules/block/block.admin.inc
index 7a0bcc7..a1899c8 100644
--- a/core/modules/block/block.admin.inc
+++ b/core/modules/block/block.admin.inc
@@ -145,20 +145,22 @@ function template_preprocess_block_admin_display_form(&$variables) {
   foreach ($block_listing as $region => $block_list) {
     $rows[] = array(
       'data' => array(
-        array('data' => t($variables['block_regions'][$region]), 'colspan' => 4),
+        array('data' => t($variables['block_regions'][$region]), 'colspan' => 5),
       ),
-      'class' => array('region-title region-title-' . $region)
+      'class' => array('region-title region-title-' . $region),
+      'no_striping' => TRUE,
     );
     $rows[] = array(
       'data' => array(
-        array('data' => '<em>'. t('No blocks in this region ') . '</em>', 'colspan' => 4),
+        array('data' => '<em>'. t('No blocks in this region ') . '</em>', 'colspan' => 5),
       ),
-      'class' => array('region-message', 'region-' . $region . '-message', empty($block_listing[$region]) ? 'region-empty' : 'region-populated')
+      'class' => array('region-message', 'region-' . $region . '-message', empty($block_listing[$region]) ? 'region-empty' : 'region-populated'),
+      'no_striping' => TRUE,
     );
     foreach ($block_list as $key => $block) {
       $rows[] = array(
         'data' => array(
-          array('data' => $block->block_title),
+          array('data' => $block->block_title, 'class' => 'block'),
           array('data' => $block->region_select),
           array('data' => $block->weight_select),
           array('data' => $block->operations),
@@ -174,6 +176,7 @@ function template_preprocess_block_admin_display_form(&$variables) {
     '#header' => $header,
     '#rows' => $rows,
     '#attributes' => $attributes,
+    '#responsive' => FALSE,
   );
   // Remove elements from the 'children' render array.
   // @todo Refactor when http://drupal.org/node/1920886 is resolved.