body { font-family: 'Arial', sans-serif; line-height: 1.7; color: #333; margin: 20px; background-color: #f8f8f8;} h1 { color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 5px; margin-top: 25px;} h4 { color: #2c3e50; border-bottom: 1px solid #bdc3c7; padding-bottom: 5px; margin-top: 20p…