diff --git a/projects/ucap-webmessenger-ui/src/assets/scss/file-icon/_icons.scss b/projects/ucap-webmessenger-ui/src/assets/scss/file-icon/_icons.scss
index f662f635..3b85fde0 100644
--- a/projects/ucap-webmessenger-ui/src/assets/scss/file-icon/_icons.scss
+++ b/projects/ucap-webmessenger-ui/src/assets/scss/file-icon/_icons.scss
@@ -185,7 +185,7 @@ $icon-list: ('3dm', '', $world), ('3dmf', '', $world), ('7z', '', $zip),
       display: block;
       width: 100%;
       overflow: visible;
-      z-index: 9;
+      // z-index: 9;
       content: '';
       font-family: 'Material Icons';
       font-size: $icon-container-size / 4.2;