body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #222;
  background: #fafafa;
}

header {
  background: #0b3c5d;
  color: white;
  padding: 2rem;
}

main {
  padding: 2rem;
  max-width: 800px;
}

h1, h2 {
  margin-top: 0;
}

footer {
  padding: 1rem 2rem;
  font-size: 0.9rem;
  color: #666;
}