diff --git a/core/modules/system/templates/form-element.html.twig b/core/modules/system/templates/form-element.html.twig
index bb48d83..082df34 100644
--- a/core/modules/system/templates/form-element.html.twig
+++ b/core/modules/system/templates/form-element.html.twig
@@ -50,6 +50,7 @@
   set classes = [
     'form-item',
     'js-form-type-' ~ type|clean_class,
+    'form-item' ~ name|clean_class,
     'js-form-item-' ~ name|clean_class,
     title_display not in ['after', 'before'] ? 'form-no-label',
     disabled == 'disabled' ? 'form-disabled',