.scroll-up-button{background-color:#24378f;display:flex;align-items:center;justify-content:center;width:4.8rem;height:4.8rem;border-radius:50%;border:none;position:fixed;top:90%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 8px 0 rgba(36,55,143,.4);cursor:pointer}.scroll-up-button i.scroll-up{width:1.4rem}