.btn-tai-chi{opacity:0;width:12pt;height:12pt;position:absolute;left:5%;top:50%;transform:translate(-50%,-50%)}.btn-tai-chi.show{opacity:0;animation:fadeIn 1s ease-in-out 1,rotate .5s linear 2}@keyframes rotate{0%{transform:translate(-50%,-50%) rotate(0deg)}70%{transform:translate(-50%,-50%) rotate(280deg)}100%{transform:translate(-50%,-50%) rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}50%{opacity:.8}100%{opacity:0}}