.btn-top-scroll{cursor:default;position:fixed;bottom:10px;right:20px;z-index:9;display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background-color:#d77b8f;opacity:0;transition:all .35s ease-out .05s}.btn-top-scroll.active{cursor:pointer;opacity:1;transition:all .35s ease-out .05s}.btn-top-scroll.hide{z-index:0;opacity:0}