Update app.py

app.py

@@ -69,7 +69,7 @@ modal_and_cart_js = """
             modal.style.width = '30%';
         }
 
-        modal.style.top = '50%';
+        modal.style.top = '10%';
         modal.style.left = '50%';
         modal.style.transform = 'translate(-50%, -50%)';