Update app.py

app.py

@@ -354,6 +354,7 @@ button.primary {background-color: #0E2841 !important; border-color: #0E2841 !imp
 }
 
 .example-gallery button:hover, .example-gallery .image-container:hover { 
+    aspect-ratio: 2 / 1 !important; 
     transform: scale(1.02); 
     border: 2px solid #0E2841 !important; 
 }