Update app.py

app.py

@@ -76,10 +76,10 @@ def cloud_button(label, key=None, color=None, overlap=30):
         }}
 
         /* Add this CSS for the hover effect and shadow */
-        .cloud:hover .circle {
+        .cloud:hover .circle {{
         transform: scale(1.1); /* Scale up the circles on hover */
         box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* Add a shadow on hover */
-        }
+        }}