body {
  font-family: Tahoma, Geneva, sans-serif;
}

button {
  font-size: x-large;
  margin: 10px;
}

button#jazz {
  background-color: orange;
}

button#not-jazz {
  background-color: lightblue;
}

#success-message {
  color: green;
}

#error-message {
  color: red;
}