.tb{ text-align:center; margin-bottom:24px;}
.news_f.clearfix{ margin-bottom:24px;}

ul.news_list.list2 li.news{ float:left; width:28%; margin:0 2% 15px; text-align:center;}
ul.news_list.list2 li.news .news_imgs{ width:100%; height:160px; }
ul.news_list.list2 li.news .news_imgs img{ width:100%; height:100%; object-fit:cover;}