body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.7; color: #333; background-color: #f8f8f8; margin: 20px; padding: 0; } h1, h2, h3 { color: #2c3e50; margin-top: 2em; margin-bottom: 1em; line-height: 1.3; } h1 { font-size: 2.5em; text-align: center; margin-bottom: 1…