body {
  font-family: sans-serif;
  color: #0D112A;
  background: #F5F5F5;
  margin: 0;
  padding: 2rem;
}
header {
  background: #0D112A;
  color: white;
  padding: 1rem;
}
nav a {
  color: #D7B46F;
  margin-right: 1rem;
  text-decoration: none;
}
footer {
  margin-top: 2rem;
  font-size: 0.9em;
  color: #333;
}