.pagetop{align-items:center;background:#777;border:none;border-radius:50%;bottom:30px;cursor:pointer;display:none;height:50px;justify-content:center;padding:19px;position:fixed;right:30px;z-index:2}.pagetop__arrow{border-right:2px solid #fff;border-top:2px solid #fff;display:block;height:10px;transform:translateY(20%) rotate(-45deg);width:10px}