body {
  font-family: sans-serif;
  background: #f0f0f0;
  margin: 0;
  padding: 2rem;
  text-align: center;
}

.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

select {
  margin: 1rem 0;
  padding: 0.5rem;
  font-size: 1rem;
}