body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f4f4;
  color: #333;
}

header {
  background: #1e3a8a;
  color: white;
  padding: 2rem;
  text-align: center;
}

main {
  padding: 2rem;
}

section {
  margin-bottom: 2rem;
}

footer {
  text-align: center;
  background: #1e3a8a;
  color: white;
  padding: 1rem;
}