body {
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 40px;
  background-color: #f0f0f0;
}

input {
  padding: 10px;
  font-size: 16px;
  width: 200px;
  margin: 10px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  margin: 10px;
}

#feedback {
  font-size: 1.2rem;
  margin-top: 20px;
  font-weight: bold;
}