diff --git a/plugins/styles/odd_even.inc b/plugins/styles/odd_even.inc
new file mode 100644
index 0000000..77d4185
--- /dev/null
+++ b/plugins/styles/odd_even.inc
@@ -0,0 +1,43 @@
+<?php
+
+
+/**
+ * @file
+ * Definition of the 'Tabs' panel style.
+ */
+
+// Plugin definition
+$plugin = array(
+  'title' => t('Odd & even'),
+  'description' => t('Add odd and even classes to panes in a region.'),
+  'render region' => 'panels_odd_even_style_render_region',
+);
+
+/**
+ * Render callback.
+ *
+ * @ingroup themeable
+ */
+function theme_panels_odd_even_style_render_region($vars) {
+  $display = $vars['display'];
+  $region_id = $vars['region_id'];
+  $panes = $vars['panes'];
+
+  // Unique ID of this region.
+  $id = $display->did . ':' . $region_id;
+  static $even = array();
+
+  $element = array();
+  foreach ($panes as $pane_id => $pane) {
+    $class = !empty($even[$id]) ? 'even' : 'odd';
+    $even[$id] = empty($even[$id]);
+
+    $element[$pane_id] = array(
+      '#prefix' => '<div class="row-' . $class . '">',
+      '#suffix' => '</div>',
+      '#markup' => $pane,
+    );
+  }
+
+  return drupal_render($element);
+}