Fixed vertical alignment

web/SystemAO/file_system/file_explorer.css

@@ -1280,7 +1280,7 @@ i.blue{
     .mobileFileOprMenu{
         top: 0;
         right: 0.4em;
-        margin-top: -0.4em;
+        margin-top: -0.2em;
     }
 
 }