diff --git a/static_core/plugins/ets/playground/frontend/src/index.css b/static_core/plugins/ets/playground/frontend/src/index.css
index 9fa4bf2e5431076fbe387f1022ff458bc0a14b26..690a257290f591e85a06ea290719cfde7d9dba9e 100644
--- a/static_core/plugins/ets/playground/frontend/src/index.css
+++ b/static_core/plugins/ets/playground/frontend/src/index.css
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Copyright (c) 2024-2025 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -71,3 +71,9 @@ a {
 .monaco-editor .scroll-decoration {
   box-shadow: none !important;
 }
+.bp5-popover-transition-container {
+  z-index: 2000 !important;
+}
+.mosaic-window, .mosaic-preview {
+  overflow: unset !important;
+}
\ No newline at end of file