@media only screen and (max-width: 991px) {
  #details-video{
    width: 1050px !important;
    height: 500px !important;
  }
}
@media only screen and (max-width: 767px) {
   #details-video {
     width: 500px !important;
    height: 400px !important;

  
  }
}
@media only screen and (max-width: 479px) {
    #details-video {
      width: 270px !important;
    height: 200px !important;
   
  }

}