diff --git a/core/includes/ajax.inc b/core/includes/ajax.inc
index 328f54c..a2fc127 100644
--- a/core/includes/ajax.inc
+++ b/core/includes/ajax.inc
@@ -1166,28 +1166,6 @@ function ajax_command_invoke($selector, $method, array $arguments = array()) {
 }
 
 /**
- * Creates a Drupal Ajax 'restripe' command.
- *
- * The 'restripe' command instructs the client to restripe a table. This is
- * usually used after a table has been modified by a replace or append command.
- *
- * This command is implemented by Drupal.ajax.prototype.commands.restripe()
- * defined in misc/ajax.js.
- *
- * @param $selector
- *   A jQuery selector string.
- *
- * @return
- *   An array suitable for use with the ajax_render() function.
- */
-function ajax_command_restripe($selector) {
-  return array(
-    'command' => 'restripe',
-    'selector' => $selector,
-  );
-}
-
-/**
  * Creates a Drupal Ajax 'add_css' command.
  *
  * This method will add css via ajax in a cross-browser compatible way.
diff --git a/core/includes/menu.inc b/core/includes/menu.inc
index 400e2ab..a3ed9c5 100644
--- a/core/includes/menu.inc
+++ b/core/includes/menu.inc
@@ -968,14 +968,8 @@ function menu_tree_output($tree) {
 
   $router_item = menu_get_item();
   $num_items = count($items);
-  foreach ($items as $i => $data) {
+  foreach ($items as $data) {
     $class = array();
-    if ($i == 0) {
-      $class[] = 'first';
-    }
-    if ($i == $num_items - 1) {
-      $class[] = 'last';
-    }
     // Set a class for the <li>-tag. Since $data['below'] may contain local
     // tasks, only set 'expanded' class if the link also has children within
     // the current menu.
diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 36c8228..05e8675 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -1043,11 +1043,11 @@ function theme($hook, $variables = array()) {
     // a function, but a template overrides that default implementation). In
     // these cases, a template should still be able to expect to have access to
     // the variables provided by template_preprocess(), so we add them here if
-    // they don't already exist. We don't want to run template_preprocess()
-    // twice (it would be inefficient and mess up zebra striping), so we use the
-    // 'directory' variable to determine if it has already run, which while not
-    // completely intuitive, is reasonably safe, and allows us to save on the
-    // overhead of adding some new variable to track that.
+    // they don't already exist. We don't want the overhead of running
+    // template_preprocess() twice, so we use the 'directory' variable to
+    // determine if it has already run, which while not completely intuitive,
+    // is reasonably safe, and allows us to save on the overhead of adding some
+    // new variable to track that.
     if (!isset($variables['directory'])) {
       $default_template_variables = array();
       template_preprocess($default_template_variables, $hook);
@@ -1639,22 +1639,10 @@ function theme_links($variables) {
 
     $output .= '<ul' . drupal_attributes($attributes) . '>';
 
-    $num_links = count($links);
-    $i = 0;
     foreach ($links as $key => $link) {
-      $i++;
-
       $class = array();
       // Use the array key as class name.
       $class[] = drupal_html_class($key);
-      // Add odd/even, first, and last classes.
-      $class[] = ($i % 2 ? 'odd' : 'even');
-      if ($i == 1) {
-        $class[] = 'first';
-      }
-      if ($i == $num_links) {
-        $class[] = 'last';
-      }
 
       // Handle links.
       if (isset($link['href'])) {
@@ -1846,7 +1834,7 @@ function theme_table($variables) {
 
   // Format the table columns:
   if (count($colgroups)) {
-    foreach ($colgroups as $number => $colgroup) {
+    foreach ($colgroups as $colgroup) {
       $attributes = array();
 
       // Check if we're dealing with a simple or complex column
@@ -1867,7 +1855,6 @@ function theme_table($variables) {
       // Build colgroup
       if (is_array($cols) && count($cols)) {
         $output .= ' <colgroup' . drupal_attributes($attributes) . '>';
-        $i = 0;
         foreach ($cols as $col) {
           $output .= ' <col' . drupal_attributes($col) . ' />';
         }
@@ -1913,9 +1900,7 @@ function theme_table($variables) {
   // Format the table rows:
   if (count($rows)) {
     $output .= "<tbody>\n";
-    $flip = array('even' => 'odd', 'odd' => 'even');
-    $class = 'even';
-    foreach ($rows as $number => $row) {
+    foreach ($rows as $row) {
       $attributes = array();
 
       // Check if we're dealing with a simple or complex row
@@ -1935,8 +1920,7 @@ function theme_table($variables) {
       if (count($cells)) {
         // Add odd/even class
         if (empty($row['no_striping'])) {
-          $class = $flip[$class];
-          $attributes['class'][] = $class;
+          $attributes['class'][] = 'zebra';
         }
 
         // Build row
@@ -2020,10 +2004,7 @@ function theme_item_list($variables) {
   if ($items) {
     $output .= '<' . $type . drupal_attributes($list_attributes) . '>';
 
-    $num_items = count($items);
-    $i = 0;
     foreach ($items as $key => $item) {
-      $i++;
       $attributes = array();
 
       if (is_array($item)) {
@@ -2056,14 +2037,6 @@ function theme_item_list($variables) {
         $value = $item;
       }
 
-      $attributes['class'][] = ($i % 2 ? 'odd' : 'even');
-      if ($i == 1) {
-        $attributes['class'][] = 'first';
-      }
-      if ($i == $num_items) {
-        $attributes['class'][] = 'last';
-      }
-
       $output .= '<li' . drupal_attributes($attributes) . '>' . $value . '</li>';
     }
     $output .= "</$type>";
@@ -2296,13 +2269,6 @@ function _theme_table_cell($cell, $header = FALSE) {
  */
 function template_preprocess(&$variables, $hook) {
   global $user;
-  static $count = array();
-
-  // Track run count for each hook to provide zebra striping.
-  // See "template_preprocess_block()" which provides the same feature specific to blocks.
-  $count[$hook] = isset($count[$hook]) && is_int($count[$hook]) ? $count[$hook] : 1;
-  $variables['zebra'] = ($count[$hook] % 2) ? 'odd' : 'even';
-  $variables['id'] = $count[$hook]++;
 
   // Tell all templates where they are located.
   $variables['directory'] = path_to_theme();
diff --git a/core/misc/ajax.js b/core/misc/ajax.js
index 71399c4..a4c0038 100644
--- a/core/misc/ajax.js
+++ b/core/misc/ajax.js
@@ -599,19 +599,6 @@ Drupal.ajax.prototype.commands = {
   },
 
   /**
-   * Command to restripe a table.
-   */
-  restripe: function (ajax, response, status) {
-    // :even and :odd are reversed because jQuery counts from 0 and
-    // we count from 1, so we're out of sync.
-    // Match immediate children of the parent element to allow nesting.
-    $(response.selector).find('> tbody > tr:visible, > tr:visible')
-      .removeClass('odd even')
-      .filter(':even').addClass('odd').end()
-      .filter(':odd').addClass('even');
-  },
-
-  /**
    * Command to add css.
    *
    * Uses the proprietary addImport method if available as browsers which
diff --git a/core/misc/print.css b/core/misc/print.css
index 0a56ef1..9f28e8f 100644
--- a/core/misc/print.css
+++ b/core/misc/print.css
@@ -1,4 +1,3 @@
-
 body {
   margin: 1em;
   background-color: #fff;
@@ -8,10 +7,10 @@ th {
   color: #006;
   border-bottom: 1px solid #ccc;
 }
-tr.odd {
+tr.zebra {
   background-color: #ddd;
 }
-tr.even {
+tr.zebra:nth-child(even) {
   background-color: #fff;
 }
 td {
diff --git a/core/misc/tabledrag.js b/core/misc/tabledrag.js
index e5ffbe4..07242cb 100644
--- a/core/misc/tabledrag.js
+++ b/core/misc/tabledrag.js
@@ -444,7 +444,6 @@ Drupal.tableDrag.prototype.makeDraggable = function (item) {
         $(self.oldRowElement).removeClass('drag-previous');
       }
       self.oldRowElement = item;
-      self.restripeTable();
       self.onDrag();
     }
 
@@ -492,7 +491,7 @@ Drupal.tableDrag.prototype.dragRow = function (event, self) {
         self.setScroll(scrollAmount);
       }
 
-      // If we have a valid target, perform the swap and restripe the table.
+      // If we have a valid target, perform the swap.
       var currentRow = self.findDropTargetRow(x, y);
       if (currentRow) {
         if (self.rowObject.direction === 'down') {
@@ -501,7 +500,6 @@ Drupal.tableDrag.prototype.dragRow = function (event, self) {
         else {
           self.rowObject.swap('before', currentRow, self);
         }
-        self.restripeTable();
       }
     }
 
@@ -858,16 +856,6 @@ Drupal.tableDrag.prototype.setScroll = function (scrollAmount) {
   }, this.scrollSettings.interval);
 };
 
-Drupal.tableDrag.prototype.restripeTable = function () {
-  // :even and :odd are reversed because jQuery counts from 0 and
-  // we count from 1, so we're out of sync.
-  // Match immediate children of the parent element to allow nesting.
-  $(this.table).find('> tbody > tr.draggable:visible, > tr.draggable:visible')
-    .removeClass('odd even')
-    .filter(':odd').addClass('even').end()
-    .filter(':even').addClass('odd');
-};
-
 /**
  * Stub function. Allows a custom handler when a row begins dragging.
  */
diff --git a/core/modules/block/block-admin-display-form.tpl.php b/core/modules/block/block-admin-display-form.tpl.php
index 1728273..8cc0151 100644
--- a/core/modules/block/block-admin-display-form.tpl.php
+++ b/core/modules/block/block-admin-display-form.tpl.php
@@ -44,7 +44,7 @@
         <td colspan="5"><em><?php print t('No blocks in this region'); ?></em></td>
       </tr>
       <?php foreach ($block_listing[$region] as $delta => $data): ?>
-      <tr class="draggable <?php print $row % 2 == 0 ? 'odd' : 'even'; ?><?php print $data->row_class ? ' ' . $data->row_class : ''; ?>">
+      <tr class="draggable zebra <?php print $data->row_class ? ' ' . $data->row_class : ''; ?>">
         <td class="block"><?php print $data->block_title; ?></td>
         <td><?php print $data->region_select; ?></td>
         <td><?php print $data->weight_select; ?></td>
diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index 50bae76..65ec708 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -985,15 +985,7 @@ function block_rebuild() {
  * @see block.tpl.php
  */
 function template_preprocess_block(&$variables) {
-  $block_counter = &drupal_static(__FUNCTION__, array());
   $variables['block'] = $variables['elements']['#block'];
-  // All blocks get an independent counter for each region.
-  if (!isset($block_counter[$variables['block']->region])) {
-    $block_counter[$variables['block']->region] = 1;
-  }
-  // Same with zebra striping.
-  $variables['block_zebra'] = ($block_counter[$variables['block']->region] % 2) ? 'odd' : 'even';
-  $variables['block_id'] = $block_counter[$variables['block']->region]++;
 
   // Create the $content variable that templates expect.
   $variables['content'] = $variables['elements']['#children'];
diff --git a/core/modules/block/block.tpl.php b/core/modules/block/block.tpl.php
index 78387a8..c74f85e 100644
--- a/core/modules/block/block.tpl.php
+++ b/core/modules/block/block.tpl.php
@@ -28,10 +28,6 @@
  * Helper variables:
  * - $classes_array: Array of html class attribute values. It is flattened
  *   into a string within the variable $classes.
- * - $block_zebra: Outputs 'odd' and 'even' dependent on each block region.
- * - $zebra: Same output as $block_zebra but independent of any block region.
- * - $block_id: Counter dependent on each block region.
- * - $id: Same output as $block_id but independent of any block region.
  * - $is_front: Flags true when presented in the front page.
  * - $logged_in: Flags true when the current user is a logged-in member.
  * - $is_admin: Flags true when the current user is an administrator.
diff --git a/core/modules/field/field.module b/core/modules/field/field.module
index ce2e214..37e91aa 100644
--- a/core/modules/field/field.module
+++ b/core/modules/field/field.module
@@ -1192,8 +1192,7 @@ function theme_field($variables) {
   // Render the items.
   $output .= '<div class="field-items"' . $variables['content_attributes'] . '>';
   foreach ($variables['items'] as $delta => $item) {
-    $classes = 'field-item ' . ($delta % 2 ? 'odd' : 'even');
-    $output .= '<div class="' . $classes . '"' . $variables['item_attributes'][$delta] . '>' . drupal_render($item) . '</div>';
+    $output .= '<div class="field-item"' . $variables['item_attributes'][$delta] . '>' . drupal_render($item) . '</div>';
   }
   $output .= '</div>';
 
diff --git a/core/modules/field/theme/field.tpl.php b/core/modules/field/theme/field.tpl.php
index c496908..99a1b13 100644
--- a/core/modules/field/theme/field.tpl.php
+++ b/core/modules/field/theme/field.tpl.php
@@ -54,7 +54,7 @@ HTML comment.
   <?php endif; ?>
   <div class="field-items"<?php print $content_attributes; ?>>
     <?php foreach ($items as $delta => $item): ?>
-      <div class="field-item <?php print $delta % 2 ? 'odd' : 'even'; ?>"<?php print $item_attributes[$delta]; ?>><?php print render($item); ?></div>
+      <div class="field-item"<?php print $item_attributes[$delta]; ?>><?php print render($item); ?></div>
     <?php endforeach; ?>
   </div>
 </div>
diff --git a/core/modules/filter/filter.admin.js b/core/modules/filter/filter.admin.js
index b002041..d2b5699 100644
--- a/core/modules/filter/filter.admin.js
+++ b/core/modules/filter/filter.admin.js
@@ -27,8 +27,6 @@ Drupal.behaviors.filterStatus = {
             tab.tabHide().updateSummary();
           }
         }
-        // Restripe table after toggling visibility of table row.
-        Drupal.tableDrag['filter-order'].restripeTable();
       });
 
       // Attach summary for configurable filters (only for screen-readers).
diff --git a/core/modules/forum/forum-list.tpl.php b/core/modules/forum/forum-list.tpl.php
index 01c74a3..4b1b0f4 100644
--- a/core/modules/forum/forum-list.tpl.php
+++ b/core/modules/forum/forum-list.tpl.php
@@ -11,7 +11,6 @@
  *   - $forum->is_container: TRUE if the forum can contain other forums. FALSE
  *     if the forum can contain only topics.
  *   - $forum->depth: How deep the forum is in the current hierarchy.
- *   - $forum->zebra: 'even' or 'odd' string used for row class.
  *   - $forum->icon_class: 'default' or 'new' string used for forum icon class.
  *   - $forum->icon_title: Text alternative for the forum icon.
  *   - $forum->name: The name of the forum.
@@ -44,7 +43,7 @@
   </thead>
   <tbody>
   <?php foreach ($forums as $child_id => $forum): ?>
-    <tr id="forum-list-<?php print $child_id; ?>" class="<?php print $forum->zebra; ?>">
+    <tr id="forum-list-<?php print $child_id; ?>" class="zebra">
       <td <?php print $forum->is_container ? 'colspan="4" class="container"' : 'class="forum"'; ?>>
         <?php /* Enclose the contents of this cell with X divs, where X is the
                * depth this forum resides at. This will allow us to use CSS
diff --git a/core/modules/forum/forum-topic-list.tpl.php b/core/modules/forum/forum-topic-list.tpl.php
index 6427814..da228f2 100644
--- a/core/modules/forum/forum-topic-list.tpl.php
+++ b/core/modules/forum/forum-topic-list.tpl.php
@@ -17,7 +17,6 @@
  *   - $topic->title: The title of the topic. Safe to output.
  *   - $topic->message: If the topic has been moved, this contains an
  *     explanation and a link.
- *   - $topic->zebra: 'even' or 'odd' string used for row class.
  *   - $topic->comment_count: The number of replies on this topic.
  *   - $topic->new_replies: A flag to indicate whether there are unread
  *     comments.
@@ -43,7 +42,7 @@
   </thead>
   <tbody>
   <?php foreach ($topics as $topic): ?>
-    <tr class="<?php print $topic->zebra;?>">
+    <tr class="zebra">
       <td class="icon"><?php print $topic->icon; ?></td>
       <td class="title">
         <div>
diff --git a/core/modules/forum/forum.module b/core/modules/forum/forum.module
index ca9bf7e..52d747a 100644
--- a/core/modules/forum/forum.module
+++ b/core/modules/forum/forum.module
@@ -1135,15 +1135,13 @@ function template_preprocess_forums(&$variables) {
  */
 function template_preprocess_forum_list(&$variables) {
   global $user;
-  $row = 0;
+
   // Sanitize each forum so that the template can safely print the data.
   foreach ($variables['forums'] as $id => $forum) {
     $variables['forums'][$id]->description = !empty($forum->description) ? filter_xss_admin($forum->description) : '';
     $variables['forums'][$id]->link = url("forum/$forum->tid");
     $variables['forums'][$id]->name = check_plain($forum->name);
     $variables['forums'][$id]->is_container = !empty($forum->container);
-    $variables['forums'][$id]->zebra = $row % 2 == 0 ? 'odd' : 'even';
-    $row++;
 
     $variables['forums'][$id]->new_text = '';
     $variables['forums'][$id]->new_url = '';
@@ -1193,11 +1191,8 @@ function template_preprocess_forum_topic_list(&$variables) {
   $variables['header'] = $header;
 
   if (!empty($variables['topics'])) {
-    $row = 0;
     foreach ($variables['topics'] as $id => $topic) {
       $variables['topics'][$id]->icon = theme('forum_icon', array('new_posts' => $topic->new, 'num_posts' => $topic->comment_count, 'comment_mode' => $topic->comment_mode, 'sticky' => $topic->sticky, 'first_new' => $topic->first_new));
-      $variables['topics'][$id]->zebra = $row % 2 == 0 ? 'odd' : 'even';
-      $row++;
 
       // We keep the actual tid in forum table, if it's different from the
       // current tid then it means the topic appears in two forums, one of
diff --git a/core/modules/image/image.admin.css b/core/modules/image/image.admin.css
index 2eb9b0d..4913246 100644
--- a/core/modules/image/image.admin.css
+++ b/core/modules/image/image.admin.css
@@ -1,4 +1,3 @@
-
 /**
  * Image style configuration pages.
  */
@@ -51,8 +50,7 @@
 .image-anchor {
   width: auto;
 }
-.image-anchor tr.even,
-.image-anchor tr.odd {
+.image-anchor tr.zebra {
   background: none;
 }
 .image-anchor td {
diff --git a/core/modules/node/node.tpl.php b/core/modules/node/node.tpl.php
index c3db5ae..c56a74b 100644
--- a/core/modules/node/node.tpl.php
+++ b/core/modules/node/node.tpl.php
@@ -48,8 +48,6 @@
  * - $created: Time the node was published formatted in Unix timestamp.
  * - $classes_array: Array of html class attribute values. It is flattened
  *   into a string within the variable $classes.
- * - $zebra: Outputs either "even" or "odd". Useful for zebra striping in
- *   teaser listings.
  * - $id: Position of the node. Increments each time it's output.
  *
  * Node status variables:
diff --git a/core/modules/shortcut/shortcut.admin.js b/core/modules/shortcut/shortcut.admin.js
index dacae3e..04277df 100644
--- a/core/modules/shortcut/shortcut.admin.js
+++ b/core/modules/shortcut/shortcut.admin.js
@@ -16,14 +16,6 @@ Drupal.behaviors.shortcutDrag = {
         slots = 0,
         tableDrag = Drupal.tableDrag.shortcuts;
       table.find('> tbody > tr, > tr')
-        .filter(':visible')
-          .filter(':odd').filter('.odd')
-            .removeClass('odd').addClass('even')
-          .end().end()
-          .filter(':even').filter('.even')
-            .removeClass('even').addClass('odd')
-          .end().end()
-        .end()
         .filter('.shortcut-slot-empty').each(function(index) {
           if ($(this).is(':visible')) {
             visibleLength++;
@@ -86,18 +78,6 @@ Drupal.behaviors.shortcutDrag = {
         var statusField = $rowElement.find('select.shortcut-status-select');
         statusField.val(statusName);
       };
-
-      tableDrag.restripeTable = function () {
-        // :even and :odd are reversed because jQuery counts from 0 and
-        // we count from 1, so we're out of sync.
-        // Match immediate children of the parent element to allow nesting.
-        $(this.table).find('> tbody > tr:visible, > tr:visible')
-          .filter(':odd').filter('.odd')
-            .removeClass('odd').addClass('even')
-          .end().end()
-          .filter(':even').filter('.even')
-            .removeClass('even').addClass('odd');
-      };
     }
   }
 };
diff --git a/core/modules/simpletest/simpletest.css b/core/modules/simpletest/simpletest.css
index 86bd04b..81ae9f6 100644
--- a/core/modules/simpletest/simpletest.css
+++ b/core/modules/simpletest/simpletest.css
@@ -1,4 +1,3 @@
-
 /* Test Table */
 #simpletest-form-table th.select-all {
   width: 1em;
@@ -46,28 +45,28 @@ div.simpletest-pass {
   color: #981010;
 }
 
-tr.simpletest-pass.odd {
+tr.simpletest-pass {
   background-color: #b6ffb6;
 }
-tr.simpletest-pass.even {
+tr.simpletest-pass:nth-child(even) {
   background-color: #9bff9b;
 }
-tr.simpletest-fail.odd {
+tr.simpletest-fail {
   background-color: #ffc9c9;
 }
-tr.simpletest-fail.even {
+tr.simpletest-fail:nth-child(even) {
   background-color: #ffacac;
 }
-tr.simpletest-exception.odd {
+tr.simpletest-exception {
   background-color: #f4ea71;
 }
-tr.simpletest-exception.even {
+tr.simpletest-exception:nth-child(even) {
   background-color: #f5e742;
 }
-tr.simpletest-debug.odd {
+tr.simpletest-debug {
   background-color: #eee;
 }
-tr.simpletest-debug.even {
+tr.simpletest-debug:nth-child(even) {
   background-color: #fff;
 }
 
diff --git a/core/modules/system/lib/Drupal/system/Tests/Ajax/CommandsTest.php b/core/modules/system/lib/Drupal/system/Tests/Ajax/CommandsTest.php
index faa35bb..01a03db 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Ajax/CommandsTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Ajax/CommandsTest.php
@@ -142,14 +142,6 @@ class CommandsTest extends AjaxTestBase {
     );
     $this->assertCommand($commands, $expected, "'remove' AJAX command issued with correct command and selector");
 
-    // Tests the 'restripe' command.
-    $commands = $this->drupalPostAJAX($form_path, $edit, array('op' => t("AJAX 'restripe' command")));
-    $expected = array(
-      'command' => 'restripe',
-      'selector' => '#restripe_table',
-    );
-    $this->assertCommand($commands, $expected, "'restripe' AJAX command issued with correct selector");
-
     // Tests the 'settings' command.
     $commands = $this->drupalPostAJAX($form_path, $edit, array('op' => t("AJAX 'settings' command")));
     $expected = array(
diff --git a/core/modules/system/lib/Drupal/system/Tests/Theme/FunctionsTest.php b/core/modules/system/lib/Drupal/system/Tests/Theme/FunctionsTest.php
index a8a66f6..1bf9979 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Theme/FunctionsTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Theme/FunctionsTest.php
@@ -65,16 +65,16 @@ class FunctionsTest extends WebTestBase {
       ),
     );
     $inner = '<div class="item-list"><ul id="childlist">';
-    $inner .= '<li class="odd first">c</li>';
-    $inner .= '<li class="dee even last">d</li>';
+    $inner .= '<li>c</li>';
+    $inner .= '<li class="dee">d</li>';
     $inner .= '</ul></div>';
 
     $expected = '<div class="item-list">';
     $expected .= '<h3>Some title</h3>';
     $expected .= '<ul id="parentlist">';
-    $expected .= '<li class="odd first">a</li>';
-    $expected .= '<li id="bee" class="even">b' . $inner . '</li>';
-    $expected .= '<li id="E" class="odd last">e</li>';
+    $expected .= '<li>a</li>';
+    $expected .= '<li id="bee">b' . $inner . '</li>';
+    $expected .= '<li id="E">e</li>';
     $expected .= '</ul></div>';
 
     $this->assertThemeOutput('item_list', $variables, $expected);
@@ -119,9 +119,9 @@ class FunctionsTest extends WebTestBase {
 
     $expected_links = '';
     $expected_links .= '<ul id="somelinks">';
-    $expected_links .= '<li class="a-link odd first"><a href="' . url('a/link') . '">' . check_plain('A <link>') . '</a></li>';
-    $expected_links .= '<li class="plain-text even"><span>' . check_plain('Plain "text"') . '</span></li>';
-    $expected_links .= '<li class="front-page odd last active"><a href="' . url('<front>') . '" class="active">' . check_plain('Front page') . '</a></li>';
+    $expected_links .= '<li class="a-link"><a href="' . url('a/link') . '">' . check_plain('A <link>') . '</a></li>';
+    $expected_links .= '<li class="plain-text"><span>' . check_plain('Plain "text"') . '</span></li>';
+    $expected_links .= '<li class="front-page active"><a href="' . url('<front>') . '" class="active">' . check_plain('Front page') . '</a></li>';
     $expected_links .= '</ul>';
 
     // Verify that passing a string as heading works.
diff --git a/core/modules/system/lib/Drupal/system/Tests/Theme/TableTest.php b/core/modules/system/lib/Drupal/system/Tests/Theme/TableTest.php
index ef51f4e..0c44129 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Theme/TableTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Theme/TableTest.php
@@ -63,7 +63,7 @@ class TableTest extends WebTestBase {
       ),
     );
     $this->content = theme('table', array('header' => $header, 'rows' => array(), 'empty' => t('No strings available.')));
-    $this->assertRaw('<tr class="odd"><td colspan="3" class="empty message">No strings available.</td>', t('Correct colspan was set on empty message.'));
+    $this->assertRaw('<tr class="zebra"><td colspan="3" class="empty message">No strings available.</td>', t('Correct colspan was set on empty message.'));
     $this->assertRaw('<thead><tr><th>Header 1</th>', t('Table header was printed.'));
   }
 }
diff --git a/core/modules/system/system.admin-rtl.css b/core/modules/system/system.admin-rtl.css
index d7553b5..7c81f59 100644
--- a/core/modules/system/system.admin-rtl.css
+++ b/core/modules/system/system.admin-rtl.css
@@ -57,11 +57,11 @@ table.screenshot {
   border-left: 1px solid #cdcdcd;
   float: right;
 }
-.theme-selector .operations li.last {
+.theme-selector .operations li:last-child {
   border-left: none;
   padding: 0 0.7em 0 0;
 }
-.theme-selector .operations li.first {
+.theme-selector .operations li:first-child {
   padding: 0 0 0 0.7em;
 }
 
diff --git a/core/modules/system/system.admin.css b/core/modules/system/system.admin.css
index 957d3e0..1596721 100644
--- a/core/modules/system/system.admin.css
+++ b/core/modules/system/system.admin.css
@@ -222,11 +222,11 @@ table.screenshot {
   list-style-type: none;
   border-right: 1px solid #cdcdcd;  /* LTR */
 }
-.theme-selector .operations li.last {
+.theme-selector .operations li:last-child {
   padding: 0 0 0 0.7em; /* LTR */
   border-right: none; /* LTR */
 }
-.theme-selector .operations li.first {
+.theme-selector .operations li:first-child {
   padding: 0 0.7em 0 0; /* LTR */
 }
 #system-themes-admin-form {
diff --git a/core/modules/system/system.theme.css b/core/modules/system/system.theme.css
index d5f41e1..fb86b12 100644
--- a/core/modules/system/system.theme.css
+++ b/core/modules/system/system.theme.css
@@ -1,4 +1,3 @@
-
 /**
  * @file
  * Basic styling for common markup.
@@ -30,8 +29,7 @@ th {
   padding-right: 1em; /* LTR */
   text-align: left; /* LTR */
 }
-tr.even,
-tr.odd {
+tr.zebra {
   background-color: #eee;
   border-bottom: 1px solid #ccc;
   padding: 0.1em 0.6em;
diff --git a/core/modules/system/tests/modules/ajax_forms_test/ajax_forms_test.module b/core/modules/system/tests/modules/ajax_forms_test/ajax_forms_test.module
index d4074d1..7c67498 100644
--- a/core/modules/system/tests/modules/ajax_forms_test/ajax_forms_test.module
+++ b/core/modules/system/tests/modules/ajax_forms_test/ajax_forms_test.module
@@ -232,21 +232,6 @@ function ajax_forms_test_ajax_commands_form($form, &$form_state) {
     '#suffix' => '<div id="remove_div"><div id="remove_text">text to be removed</div></div>',
   );
 
-  // Shows the Ajax 'restripe' command.
-  $form['restripe_command_example'] = array(
-    '#type' => 'submit',
-    '#value' => t("AJAX 'restripe' command"),
-    '#ajax' => array(
-      'callback' => 'ajax_forms_test_advanced_commands_restripe_callback',
-    ),
-    '#suffix' => '<div id="restripe_div">
-                  <table id="restripe_table" style="border: 1px solid black" >
-                  <tr id="table-first"><td>first row</td></tr>
-                  <tr ><td>second row</td></tr>
-                  </table>
-                  </div>',
-  );
-
   // Demonstrates the Ajax 'settings' command. The 'settings' command has
   // nothing visual to "show", but it can be tested via SimpleTest and via
   // Firebug.
@@ -401,15 +386,6 @@ function ajax_forms_test_advanced_commands_remove_callback($form, $form_state) {
 }
 
 /**
- * Ajax callback for 'restripe'.
- */
-function ajax_forms_test_advanced_commands_restripe_callback($form, $form_state) {
-  $commands = array();
-  $commands[] = ajax_command_restripe('#restripe_table');
-  return array('#type' => 'ajax', '#commands' => $commands);
-}
-
-/**
  * Ajax callback for 'settings'.
  */
 function ajax_forms_test_advanced_commands_settings_callback($form, $form_state) {
diff --git a/core/modules/taxonomy/taxonomy-term.tpl.php b/core/modules/taxonomy/taxonomy-term.tpl.php
index b1ff20e..047b853 100644
--- a/core/modules/taxonomy/taxonomy-term.tpl.php
+++ b/core/modules/taxonomy/taxonomy-term.tpl.php
@@ -26,8 +26,6 @@
  * - $page: Flag for the full page state.
  * - $classes_array: Array of html class attribute values. It is flattened
  *   into a string within the variable $classes.
- * - $zebra: Outputs either "even" or "odd". Useful for zebra striping in
- *   teaser listings.
  * - $id: Position of the term. Increments each time it's output.
  * - $is_front: Flags true when presented in the front page.
  * - $logged_in: Flags true when the current user is a logged-in member.
diff --git a/core/modules/update/update.css b/core/modules/update/update.css
index cb20500..5206d8d 100644
--- a/core/modules/update/update.css
+++ b/core/modules/update/update.css
@@ -30,8 +30,7 @@
   padding: 1em 1em .25em 1em;
 }
 
-.update tr.even,
-.update tr.odd {
+.update tr.zebra {
   border: none;
 }
 
diff --git a/core/modules/user/user.css b/core/modules/user/user.css
index 866ee40..6e4e97f 100644
--- a/core/modules/user/user.css
+++ b/core/modules/user/user.css
@@ -1,12 +1,10 @@
-
 #permissions td.module {
   font-weight: bold;
 }
 #permissions td.permission {
   padding-left: 1.5em; /* LTR */
 }
-#permissions tr.odd .form-item,
-#permissions tr.even .form-item {
+#permissions tr.zebra .form-item {
   white-space: normal;
 }
 #user-admin-settings fieldset .fieldset-description {
diff --git a/core/themes/bartik/css/style-rtl.css b/core/themes/bartik/css/style-rtl.css
index 90638eb..e47f77e 100644
--- a/core/themes/bartik/css/style-rtl.css
+++ b/core/themes/bartik/css/style-rtl.css
@@ -55,11 +55,11 @@ ul.tips {
   margin-left: 2px;
   margin-right: 0;
 }
-.region-header #block-user-login .item-list li.last {
+.region-header #block-user-login .item-list li:last-child {
   padding-left: 0;
   padding-right: 0.5em;
 }
-.region-header #block-user-login ul.openid-links li.last {
+.region-header #block-user-login ul.openid-links li:last-child {
   padding-right: 0;
 }
 .region-header #user-login-form li.openid-link a,
@@ -176,11 +176,11 @@ a.button {
   border-color: rgba(255, 255, 255, 0.15);
   border-right: none;
 }
-#footer li.first a {
+#footer li:first-child a {
   padding-right: 0;
   padding-left: 12px;
 }
-#footer li.last a {
+#footer li:last-child a {
   padding-left: 0;
   padding-right: 12px;
   border-left: none;
diff --git a/core/themes/bartik/css/style.css b/core/themes/bartik/css/style.css
index 7773eda..270a8bb 100644
--- a/core/themes/bartik/css/style.css
+++ b/core/themes/bartik/css/style.css
@@ -1,4 +1,3 @@
-
 /* ---------- Overall Specifications ---------- */
 
 body {
@@ -41,7 +40,7 @@ p {
 del {
   text-decoration: line-through;
 }
-tr.odd {
+tr.zebra:nth-child(odd) {
   background-color: #dddddd;
 }
 img {
@@ -210,12 +209,12 @@ tr th {
   border-color: #555;
   border-color: rgba(255, 255, 255, 0.18);
 }
-tr.odd {
+tr.zebra {
   background: #e4e4e4;
   background: rgba(0, 0, 0, 0.105);
 }
 tr,
-tr.even {
+tr.zebra:nth-child(even) {
   background: #efefef;
   background: rgba(0, 0, 0, 0.063);
 }
@@ -371,7 +370,7 @@ h1#site-name {
   text-decoration: none;
   background: rgba(255, 255, 255, 0.15);
 }
-.region-header .block-menu li.last a {
+.region-header .block-menu li:last-child a {
   border-bottom: 0;
 }
 /* User Login block in the header region */
@@ -406,10 +405,10 @@ h1#site-name {
   float: left; /* LTR */
   padding: 3px 0 1px;
 }
-.region-header #block-user-login .item-list li.last {
+.region-header #block-user-login .item-list li:last-child {
   padding-left: 0.5em; /* LTR */
 }
-.region-header #block-user-login ul.openid-links li.last {
+.region-header #block-user-login ul.openid-links li:last-child {
   padding-left: 0; /* LTR */
 }
 .region-header #user-login-form li.openid-link a,
@@ -755,8 +754,7 @@ ul.links {
 .sidebar tbody {
   border: none;
 }
-.sidebar tr.even,
-.sidebar tr.odd {
+.sidebar tr.zebra {
   background: none;
   border-bottom: 1px solid #d6d6d6;
 }
@@ -782,7 +780,7 @@ ul.links {
   border-bottom: 1px solid #dfdfdf;
   line-height: 1.3;
 }
-#triptych .block.last {
+#triptych .block:last-child {
   border-bottom: none;
 }
 #triptych .block ul li,
@@ -919,17 +917,17 @@ ul.links {
   border-right: 1px solid #555; /* LTR */
   border-color: rgba(255, 255, 255, 0.15);
 }
-#footer li.first a {
+#footer li:first-child a {
   padding-left: 0; /* LTR */
 }
-#footer li.last a {
+#footer li:last-child a {
   padding-right: 0; /* LTR */
   border-right: none; /* LTR */
 }
-#footer-wrapper tr.odd {
+#footer-wrapper tr.zebra {
   background-color: transparent;
 }
-#footer-wrapper tr.even {
+#footer-wrapper tr.zebra:nth-child(even) {
   background-color: #2c2c2c;
   background-color: rgba(0, 0, 0, 0.15);
 }
diff --git a/core/themes/bartik/templates/node.tpl.php b/core/themes/bartik/templates/node.tpl.php
index 318197c..ac3216f 100644
--- a/core/themes/bartik/templates/node.tpl.php
+++ b/core/themes/bartik/templates/node.tpl.php
@@ -49,8 +49,6 @@
  * - $created: Time the node was published formatted in Unix timestamp.
  * - $classes_array: Array of html class attribute values. It is flattened
  *   into a string within the variable $classes.
- * - $zebra: Outputs either "even" or "odd". Useful for zebra striping in
- *   teaser listings.
  * - $id: Position of the node. Increments each time it's output.
  *
  * Node status variables:
diff --git a/core/themes/seven/reset.css b/core/themes/seven/reset.css
index de53f28..9f3e6b1 100644
--- a/core/themes/seven/reset.css
+++ b/core/themes/seven/reset.css
@@ -1,4 +1,3 @@
-
 /**
  * Reset CSS styles.
  *
@@ -80,8 +79,7 @@ ul.links li,
 /* Drupal: admin.css */
 div.admin,
 /* Drupal: system.css */
-tr.even,
-tr.odd,
+tr.zebra,
 tr.drag,
 tbody,
 tbody th,
@@ -93,8 +91,7 @@ thead th,
 .item-list ul li,
 ol.task-list li.active,
 .form-item,
-tr.odd .form-item,
-tr.even .form-item,
+tr.zebra .form-item,
 .form-item .description,
 .form-item label,
 .form-item label.option,
diff --git a/core/themes/seven/style.css b/core/themes/seven/style.css
index ae443a4..78d909f 100644
--- a/core/themes/seven/style.css
+++ b/core/themes/seven/style.css
@@ -1,4 +1,3 @@
-
 /**
  * Generic elements.
  */
@@ -442,14 +441,13 @@ table th {
   border: 0;
   color: #000;
 }
-tr.even,
-tr.odd {
+tr.zebra {
   border-width: 0 1px 0 1px;
   border-style: solid;
   border-color: #bebfb9;
   background: #f3f4ee;
 }
-tr.odd {
+tr.zebra:nth-child(odd) {
   background: #fff;
 }
 tr.drag {