.video_youtube__list{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 648px));
  grid-gap: 20px;
  justify-content: center;
  .video_youtube__item{
    position:relative;
    .preview_img{
      position:absolute;
      z-index: 20;
      width:100%;
      max-width: 100%;
      min-width: 100%;
      display: block;
      object-fit: cover;
      object-position:center;
      cursor:pointer;
    }
    .block_youtube{
      position: relative;
      z-index: 10;
      @media screen and (max-width:780px){
        margin:0 15px;
      }
      > iframe {
        border-radius: 20px;
      }
    }
  }
}