diff --git a/lib/form/src/style/form-grid.css b/lib/form/src/style/form-grid.css
index 6edf6847ca..7f872f0c26 100644
--- a/lib/form/src/style/form-grid.css
+++ b/lib/form/src/style/form-grid.css
@@ -31,3 +31,6 @@
 .form-grid .form-actions {
   @apply -w-full -justify-center -gap-6 -px-[--form-grid-gap-x-half] -py-[--form-grid-gap-y];
 }
+.form-grid .form-actions.is-pinned {
+  @apply -border-t;
+}