@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-30px)}60%{transform:translateY(-15px)}}.bounce{animation:bounce 2s infinite}.go-down-button{position:absolute;z-index:10;width:40px;height:40px;border:1px solid #1a1b1a;border-radius:50px;bottom:30px;left:calc(50% - 20px)}