@media screen and (max-width:768px){iframe, object, embed{width:100%;height:320px}}@media screen and (max-width:640px){iframe, object, embed{width:100%!important;height:300px}}@media screen and (max-width:480px){iframe, object, embed{width:100%;height:auto}}@media screen and (max-width:320px){iframe, object, embed{width:100%;height:auto}}