.news-box {
        width: 320px;
        border: 1px solid #eaeaea;
        float: left;

    }
   .picture_area li .news-box img {
      float: none;
      margin-top: 0;
      width:100%;
    }
    .news-box .new-box-a {
        display: block;
        font-size: 16px;
        color: #000;
        height: 60px;
        padding: 0 20px;
        text-align: left;
        padding-top: 20px;
        line-height: 1.4;
    }
    .picture_li {
        margin-right: 45px;
        margin-bottom: 22px;
        float:left;
        overflow: hidden;
    }
    .ul-picture{
        overflow: hidden;
    }