body { font-family:Arial, Helvetica, sans-serif; margin:0 auto;} *{ padding:0; margin:0;} .product-details{ width:960px; margin:0 auto; margin:0 auto; padding:0;} .banner{ margin-bottom:30px; text-align:center;} .pd-titlebox{ background:url(//img.alicdn.com/imgextra/i1/688973759/TB2fPDUwQqvpuFjSZFhXXaOgXXa_!!688973759.jpg) left top no-repeat; height:30px; color:#333; padding-left:25px; } .pd-content{ padding:20px 10px ; color:#555555; font-size:13px; line-height:170%;} .pd-content img{ max-width:940px; height:auto;} .pd-content p{ padding-bottom:10px;} @media screen and (max-width: 768px){ .product-details{ width:100%; margin:0 auto; padding:0;} .banner img{ max-width:100%; height:auto;} .pd-content img{ max-width:100%; height:auto;} } @media screen and (max-width: 640px){} @media screen and (max-width: 568px){} @media screen and (max-width: 480px){} @media screen and (max-width: 384px){} @media screen and (max-width: 360px){} @media screen and (max-width: 320px){} .STYLE1 { color: #FF0000; font-weight: bold; } .STYLE11 { font-size: 16px; font-weight: bold; color: #0000FF; } .STYLE16 { font-size: 16px; font-weight: bold; color: #FF0000; } .STYLE18 {color: #000000; font-size: 14px;}