.product-description{             font-family:'Segoe UI', Roboto, Helvetica, Arial, sans-serif;             color:#333;             line-height:1.6;             margin:0;             padding:0;             background-color:#fff;             font-size:16px;         }         .features{list-style:none;padding:0;}         .features li{margin:6px 0;position:relative;padding-left:20px;}         .features li:before{content:"✓";position:absolute;left:0;color:#28a745;font-weight:bold;}