#goTop{display:none;position:fixed;bottom:20px;right:30px;z-index:99;border:none;outline:none;color:#fff;cursor:pointer;padding:15px;border-radius:4px;animation-name:goTopAnimateOut;animation-duration:1s}#goTop:hover{animation-fill-mode:forwards;animation-name:goTopAnimateIn;animation-duration:1s}@keyframes goTopAnimateIn{from{transform:scale(1)}to{transform:scale(1.2)}}@keyframes goTopAnimateOut{from{transform:scale(1.2)}to{transform:scale(1)}}