.about_tab{margin:40px auto 20px}.page_banner{background:url("../images/banner/about_banner.jpg") no-repeat center}.honor_list li{width:280px;margin:20px 10px 0;height:227px}.honor_list li img{max-width:280px;max-height:227px}.honor_list li:hover img{transform:scale(1.2);-webkit-transform:scale(1.2);-o-transform:scale(1.2);-ms-transform:scale(1.2);-moz-transform:scale(1.2)}