Update app.py

app.py

@@ -263,8 +263,8 @@ css = """
     }
     .feedback {
         width: 40px; /* Set button width */
-        height: 30px; /* Set button height */
-        font-size: 20px; /* Set font size */
+        height: 40px; /* Set button height */
+        font-size: 16px; /* Set font size */
         background-color: #f8d7da; /* Set background color */
 }
 """