body font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 0; padding: 0; line-height: 1.6; color: #333; background-color: #f9f9f9; .container max-width: 1000px; margin: auto; padding: 20px; background-color: #fff; h1, h2, h3 color: #1a73e8; a c