body { font-family: Arial, sans-serif; margin: 0; padding: 0; }
header, footer { background: #002d62; color: white; padding: 10px; text-align: center; }
nav a { color: white; margin: 0 10px; text-decoration: none; }
main { padding: 20px; }
h1, h2 { color: #002d62; }