body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 800px; margin: 0 auto; padding: 40px 20px; background-color: #fdfbf7; } header { text-align: center; margin-bottom: 40px; padding-bottom: 20px;...