From 2e87f7acb48c799b82f96717cc4ec8fd7efe62dd Mon Sep 17 00:00:00 2001
From: llj <lingjun.li1@gmail.com>
Date: Thu, 15 Aug 2024 18:09:49 +0800
Subject: [PATCH] ['pdf file view'] fixup for the display of the tooltips when
 hover on the operation icons in the top-right corner (#6563)

---
 frontend/src/css/pdf-file-view.css | 1 +
 1 file changed, 1 insertion(+)

diff --git a/frontend/src/css/pdf-file-view.css b/frontend/src/css/pdf-file-view.css
index 80c5a05b07..89fac98e25 100644
--- a/frontend/src/css/pdf-file-view.css
+++ b/frontend/src/css/pdf-file-view.css
@@ -1,6 +1,7 @@
 .pdf-file-view {
   overflow: hidden;
   position: relative;
+  z-index: 0;
 }
 
 /* for pdf online file view */