.guten-9ZLOYW video, .guten-9ZLOYW .guten-video-background { width: 48%!important; } .guten-9ZLOYW {   } @media only screen and (max-width: 767px) { .guten-9ZLOYW video, .guten-9ZLOYW .guten-video-background { width: 90%!important; height: 502px!important; } }