@media (max-width:767px){
  table,tr,td,tbody{
    width: 100%!important;
    display: block!important;
    height: auto!important;
  }
  iframe{
    width: 100% !important;
    max-width: 100%!important;
    margin: 0 auto!important;

  }
  #contents{
    width: 100%!important;
  }
  .main_content{
    padding-top: 0 !important;
  }
  .main_content>iframe{
    height: 500px !important;
  }
  .video_wrap iframe{
    height: 220px !important;
  }
  #lightbox-container-image-box {
    width: 100% !important;
    height: 300px !important;
  }
  #lightbox-nav a {
    height: 300px !important;
  }
  #lightbox-image{
    width: 100% !important;
  }
  #lightbox-container-image-data-box {
    width: 100% !important;
  }
  #jquery-lightbox{
    width: 100% !important;
  }
  .crop {
    height: unset !important;
  }
  .crop img {
    height: auto !important;
  }

}