.page_banner{background:url("../images/banner/product_banner.jpg") no-repeat;background-size:100% 100%;-moz-background-size:100% 100%;-o-background-size:100% 100%;-ms-background-size:100% 100%;-webkit-background-size:100% 100%}.product_list li{width:2.9rem;margin-top:0.2rem}.product_list li:nth-child(2n){margin-left:0.2rem}.product_list .imgs_box{width:100%;height:2.9rem}.product_list .imgs_box img{max-width:2.9rem;max-height:2.9rem}