diff --git a/src/styles/custom.css b/src/styles/custom.css
index f2569c27d9..6914f68090 100644
--- a/src/styles/custom.css
+++ b/src/styles/custom.css
@@ -251,6 +251,8 @@ dialog::backdrop {
   display: block;
   margin-left: auto;
   margin-right: auto;
+  max-height: 400px;
+  object-fit: contain;
 }
 
 /* Ensure Image component wrapper centers its content */