.back-to-top{display:none;position:fixed;width:50px;height:50px;bottom:28px;right:32px;z-index:99;border:0;outline:0;background-color:#503383;color:white;cursor:pointer;padding:15px;border-radius:100%;font-size:18px;justify-content:center;align-items:center}
.back-to-top>svg{transform:rotate(90deg)}