body {
  background: linear-gradient(145deg, #f8f9fa, #e9ecef);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card {
  border-radius: 1rem;
  box-shadow: 0 0.5rem 1.2rem rgba(0, 0, 0, 0.1);
  padding: 2rem;
  max-width: 500px;
  text-align: center;
}