body {
  font-family: Arial, sans-serif;
  background-color: #f0f4f8;
  text-align: center;
  padding: 40px;
  margin: 0;
}

.container {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  max-width: 600px;
  margin: auto;
}

h1 {
  color: #317EFB;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  background: #317EFB;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #245ecf;
}

.note {
  margin-top: 20px;
  color: #666;
}