body {             font-family: Arial, sans-serif;             line-height: 1.6;             margin: 20px;             display: flex;             justify-content: center;         }         .product-specs {             border: 1px solid #e0e0e0;             border-radius: 8px;             box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);             padding: 20px;             width: 80%;             max-width: 600px;         }         .product-specs p {             display: flex;             margin: 10px 0;             border-bottom: 1px solid #f0f0f0;             padding-bottom: 10px;         }         .product-specs p:last-child {             border-bottom: none;         }         .product-specs span {             font-weight: 600;             width: 40%;             margin-right: 20px;         }