body { font-family: Arial; background: #f4f4f4; margin: 0; padding: 0; }
header { background: #006699; color: white; padding: 20px; text-align: center; }
nav a { margin: 0 10px; color: white; text-decoration: none; }
footer { background: #333; color: white; text-align: center; padding: 10px; position: fixed; bottom: 0; width: 100%; }