.page_video_list .video_list > li img{
                position:absolute;
                width:100%;
                height:100%;
                top:0;
                left:0;
                object-fit:cover;}
            
 .page_video_list .video_list > li .cover{height:auto;padding:15px;}     
  .page_video_list .video_list > li .cover a{display:block;font-size:16px;color:#fff;    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;}