#js_header.UpMove{animation:UpAnime .5s forwards}@keyframes UpAnime{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-100px)}}#js_header.DownMove{animation:DownAnime .5s forwards}@keyframes DownAnime{0%{opacity:0;transform:translateY(-100px)}to{opacity:1;transform:translateY(0)}}