.news_imgs {
position: relative;
    height: 240px;
    overflow: hidden;
    width: 90%;
margin-bottom: 20px;
    cursor: pointer;}
 .news_imgs .news_bg {
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    max-width: 100%;
    transition: all 1s ease 0s;}