.to-top-btn{bottom:40px;display:none;font-size:0;height:64px;pointer-events:none;position:fixed;right:40px;width:64px;z-index:1}.to-top-btn.is-visible{display:block;pointer-events:auto}.to-top-btn img{display:block;height:100%;width:100%}@media (max-width:1599px){bottom:16px;height:44px;right:16px;width:44px}@media (max-width:1023px){.to-top-btn{background:#fff;border-radius:50%;bottom:16px;box-shadow:0 .75px 4.5px -1.5px rgba(22,33,69,.06),0 3px 7.5px -3.75px rgba(23,26,58,.02),0 4.5px 22.5px 0 rgba(22,33,69,.05);height:48px;right:16px;width:48px}}