.back-to-top{--icon-bg:rgb(var(--color-primary));--icon-color:rgb(var(--color-primary-contrast));--icon-radius:50%;--icon-size:30px;align-items:center;bottom:var(--site-gutter);display:flex;flex-direction:column;height:auto;justify-content:center;opacity:0;padding:calc(var(--icon-size)/4);position:fixed;right:var(--site-gutter);text-align:center;text-decoration:none;visibility:hidden;width:auto;z-index:9999}.back-to-top--align-left{left:var(--site-gutter);right:auto}.back-to-top--align-center{left:50%;right:auto;translate:0 -50%}.back-to-top--auto-size{--icon-radius:0px}.back-to-top--force-visible,.back-to-top--visible,.no-js .back-to-top{opacity:1;visibility:visible}.back-to-top--fadeIn{animation-duration:1s;animation-name:fade-in;animation-timing-function:linear}