.u-mt30{margin-top:30px}.youtube-video{width:640px;height:0;position:relative;padding-top:360px;overflow:hidden;margin:60px auto 0}.youtube-video iframe{position:absolute;top:0;left:0;width:100%;height:100%}@media screen and (max-width: 1000px){.youtube-video{margin:6vw auto 0}}@media screen and (max-width: 667px){.youtube-video{width:100%;padding-top:56.25%}}