.guten-K402js video, .guten-K402js .guten-video-background { width: 48%!important; } .guten-K402js {   } @media only screen and (max-width: 767px) { .guten-K402js video, .guten-K402js .guten-video-background { width: 90%!important; height: 243px!important; } }