.scrollup{position:fixed;display:block;opacity:1;right:55px;bottom:20px;width:16.4px;height:16.4px;padding:16.8px;background-color:#23a0cb;border-style:none;border-width:0;border-color:currentColor;border-radius:100px;cursor:pointer;box-sizing:content-box}.scrollup::before{display:block;content:"";width:10px;height:10px;border-bottom-width:2px;border-bottom-style:solid;border-bottom-color:#fff;border-left-width:2px;border-left-style:solid;border-left-color:#fff;margin-top:5px;margin-left:2.5px;transform:rotate(135deg)}.scrollup:hover{background-color:#1b84a7}