#siteBackToTop{position:fixed;right:24px;bottom:90px;z-index:1000;width:48px;height:48px;border:2px solid #fff;border-radius:50%;background:#c52b15;color:#fff;font-size:28px;line-height:1;cursor:pointer;box-shadow:0 3px 12px #0003}
#siteBackToTop[hidden]{display:none}
#siteBackToTop:hover{background:#a52210}
#siteBackToTop:focus-visible{outline:3px solid #251313;outline-offset:3px}