.container {
  max-width: 500px;
  margin: 50px auto;
  padding: 20px;
  text-align: center;
  border: 1px solid #ddd;
  border-radius: 10px;
  background: #f9f9f9;
}
input {
  padding: 10px;
  width: 80%;
  margin-top: 10px;
}
button {
  padding: 10px 20px;
  margin-top: 10px;
  background: #007BFF;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
button:hover {
  background: #0056b3;
}
.note {
  margin-top: 10px;
  color: #555;
}