body .products_detail_box .detail_right .detail_brief{margin-bottom: 24px;}
@media screen and (max-width: 768px) {
    body .default_products_detail7 .prod_info_form .attributes .attr_show .attr_box .btn_attr.selected{border: solid 2px #fff;}
    body .default_products_detail7 .prod_info_form .attributes attr_show.attr_show_list  .attr_box .btn_attr.selected{border:0;}
}