.video_lists>.videoItem{
    width:48%;
    margin-bottom:20px;
    background:#f4f4f4;
}
.video_lists>.videoItem .title-video{
    font-size:24px;
    padding:20px;
    line-height: 25px;
}
@media only screen and (max-width: 480px),only screen and  (max-device-width: 480px) {
   .video_lists>.videoItem {
     width: 100%;
     margin-bottom: 20px;
     background: #f4f4f4;
   }
}