.back-to-top{position:fixed;right:18px;bottom:18px;z-index:999;width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:0;text-decoration:none;background:#4d90cd;color:#fff;box-shadow:0 8px 20px #0000002e;font-size:1.25rem;line-height:1;transition:opacity .2s ease,transform .2s ease,background-color .2s ease,box-shadow .2s ease}.back-to-top:hover,.back-to-top:focus-visible{background:#2f74b5;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px #00000038}.back-to-top[hidden]{display:none!important}.back-to-top.is-visible{display:inline-flex!important}html{scroll-behavior:smooth}@media (max-width: 767px){.back-to-top{right:14px;bottom:14px;width:44px;height:44px}}