body { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; margin: 20px; padding: 0; color: #333; background-color: #fff; } h1, h2, h3 { font-weight: bold; } h1 { font-size: 28px; margin-bottom: 20px; } h2 { font-size: 24px; margin-top: 30px; } h3 { font-size: 20px; margin-top: 20px;…