body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
}
header {
  background: #0056b3;
  color: white;
  text-align: center;
  padding: 20px;
}
main {
  padding: 20px;
  max-width: 800px;
  margin: auto;
}
footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 15px;
  font-size: 14px;
}
footer a {
  color: #ffcc00;
  text-decoration: none;
  margin: 0 5px;
}