body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.7; margin: 20px; background-color: #f8f8f8; color: #333; font-size: 16px; } h1, h2, h3 { color: #2c3e50; margin-bottom: 15px; } h1 { font-size: 2.2em; text-align: center; margin-bottom: 25px; } h2 { border-bottom: 3p…