diff --git a/sites/all/modules/contrib/block_class/block_class.features.inc b/sites/all/modules/contrib/block_class/block_class.features.inc
new file mode 100644
index 0000000..c08f89f
--- /dev/null
+++ b/sites/all/modules/contrib/block_class/block_class.features.inc
@@ -0,0 +1,88 @@
+<?php
+/**
+ * Implements hook_features_api().
+ */
+function block_class_features_api() {
+  return array(
+    'block_class' => array(
+      'name' => t('Block class'),
+      'feature_source' => TRUE,
+      'default_hook' => 'block_class_features_default_class',
+      'file' => drupal_get_path('module', 'block_class') . '/block_class.features.inc',
+    ),
+  );
+}
+
+/**
+ * Implements hook_features_export_options().
+ */
+function block_class_features_export_options() {
+  $theme = variable_get('theme_default', 'bartik');
+
+  $blocks = db_query("
+    SELECT CONCAT(b.module, ':', b.delta) FROM {block} b INNER JOIN {block_class} bc ON bc.module = b.module AND bc.delta = b.delta WHERE b.theme = :theme
+  ", array(
+    'theme' => $theme,
+  ))->fetchAllKeyed(0, 0);
+  natcasesort($blocks);
+  return $blocks;
+}
+
+/**
+ * Implements hook_features_export().
+ */
+function block_class_features_export($data, &$export, $module_name = '') {
+  $pipe = array();
+
+  $export['dependencies']['features'] = 'features';
+  $export['dependencies']['block_class'] = 'block_class';
+
+  foreach ($data as $component) {
+    $export['features']['block_class'][$component] = $component;
+  }
+
+  return $pipe;
+}
+
+/**
+ * Implements hook_features_export_render().
+ */
+function block_class_features_export_render($module, $data) {
+  $theme = variable_get('theme_default', 'bartik');
+  $classes = db_query("SELECT CONCAT(module, ':', delta), css_class FROM {block_class}")->fetchAllKeyed();
+
+  $code = array();
+  foreach ($data as $id) {
+    if (isset($classes[$id])) {
+      list($module, $delta) = explode(':', $id);
+      $css_classes = isset($classes[$id]) ? $classes[$id] : NULL;
+      $code[] = compact('module', 'delta', 'css_classes');
+    }
+  }
+
+  $code = "  return ". features_var_export($code, '  ') .";";
+
+  return array('block_class_features_default_class' => $code);
+}
+
+/**
+ * Implements hook_features_revert().
+ */
+function block_class_features_revert($module) {
+  block_class_features_rebuild($module);
+}
+
+/**
+ * Implements hook_features_rebuild().
+ */
+function block_class_features_rebuild($module) {
+  $blocks = module_invoke($module, 'block_class_features_default_class');
+  if ($blocks) {
+    foreach($blocks as $block) {
+      db_delete('block_class')->condition('module', $block['module'])->condition('delta', $block['delta'])->execute();
+      if (!empty($block['css_classes'])) {
+        $id = db_insert('block_class')->fields(array('module' => $block['module'], 'delta' => $block['delta'], 'css_class' => $block['css_classes']))->execute();
+      }
+    }
+  }
+}