body { font-family: Arial, sans-serif; line-height: 1.6; margin: 0; padding: 0; background-color: #f9f9f9; color: #333; } main { padding: 2rem; max-width: 800px; margin: auto; background: #fff; border-radius: 8px; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); } section { margin-bottom: 2rem; } h1, h2 { …