body { font-family: Arial, sans-serif; line-height: 1.6; max-width: 900px; margin: auto; padding: 20px; color: #333; }
    h1, h2, h3 { color: #111; }
    table { width: 100%; border-collapse: collapse; margin: 20px 0; }
    table, th, td { border: 1px solid #ccc; }
    th, td { padding: 10px; text-align: left; }
    ul { margin: 10px 0 20px 20px; }