body { font-family: 'Arial', sans-serif; line-height: 1.6; background-color: #f4f4f4; color: #333; padding: 20px; } h1 { font-size: 2em; color: #333; text-align: center; margin-bottom: 20px; } h2 { font-size: 1.8em; color: #555; border-bottom: 2px solid #aaa; padding-bottom: 10px; } h3 { font-size: …