diff --git a/EnvelopeGenerator.ReceiverUI/wwwroot/css/envelope-viewer.css b/EnvelopeGenerator.ReceiverUI/wwwroot/css/envelope-viewer.css
index 82179019..fc135292 100644
--- a/EnvelopeGenerator.ReceiverUI/wwwroot/css/envelope-viewer.css
+++ b/EnvelopeGenerator.ReceiverUI/wwwroot/css/envelope-viewer.css
@@ -178,9 +178,10 @@ body.resizing {
 }
 
 .pdf-thumbnail__canvas {
-    max-width: 100%;
-    max-height: 100%;
-    display: block;
+    width: 100%;
+    height: 100%;
+    object-fit: contain;
+    object-position: center;
 }
 
 .pdf-thumbnail__label {