body { font-family: Arial, sans-serif; margin: 40px; background: #f8f9fa; color: #333; }
h1 { color: #0b5394; }
nav { background: #0b5394; padding: 10px; margin-bottom: 20px; }
nav a { color: white; margin-right: 20px; text-decoration: none; font-weight: bold; }
nav a:hover { text-decoration: underline; }