body {
  font-family: sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 2rem;
}
.container {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}