body { font-family: Arial, sans-serif; margin: 0; padding: 0; }
header { background: #333; color: white; padding: 1rem; }
nav ul { list-style: none; display: flex; gap: 1rem; padding: 0; }
nav a { color: white; text-decoration: none; }
main { padding: 2rem; }
footer { background: #f4f4f4; text-align: center; padding: 1rem; position: fixed; bottom: 0; width: 100%; }