body font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; margin: 0; padding: 0; background: #f9f9f9; color: #333; header background: #0b3d91; color: white; padding: 20px 0; text-align: center; .container width: 90%; max-width: 1100px; margin: 30px auto; background: #fff;