⏫ Forwardport of #12862 to 2.3-develop branch

Applied pull request patch https://github.com/magento/magento2/pull/12862.patch (created by @jonshipman) based on commit(s): 1. 862e74a 2. 7c02acb
magento · Jan 24, 2018 · c80b5ca · c80b5ca
1 parent 8e77e2f
commit c80b5ca
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/app/code/Magento/Theme/Block/Html/Topmenu.php b/app/code/Magento/Theme/Block/Html/Topmenu.php
@@ -235,7 +235,13 @@ protected function _getHtml(
 
  if ($childLevel == 0 && $outermostClass) {
  $outermostClassCode = ' class="' . $outermostClass . '" ';
- $child->setClass($outermostClass);
+ $currentClass = $child->getClass();
+
+ if (empty($currentClass)) {
+ $child->setClass($outermostClass);
+ } else {
+ $child->setClass($currentClass . ' ' . $outermostClass);
+ }
  }
 
  if (count($colBrakes) && $colBrakes[$counter]['colbrake']) {