diff --git a/assets/stylesheets/App.css b/assets/stylesheets/App.css
index 975602d2..e82e83b6 100644
--- a/assets/stylesheets/App.css
+++ b/assets/stylesheets/App.css
@@ -1680,3 +1680,7 @@ span.ant-skeleton-input.ant-skeleton-input-sm.text-skeleton {
   margin: 0;
   font-size: 95%;
 }
+
+.code-block-editor .simplebar-content-wrapper {
+  background-color: var(--layout-modal-bg);
+}