.back.svelte-bl6fr5{align-items:center;background-color:var(--back-button-bg,#1b2743);border-radius:50%;box-shadow:8px 12px 24px #0000001f,10px 24px 42px #0000001f;display:flex;height:2.25rem;justify-content:center;left:var(--gutter);padding:0 2px 0 0;position:fixed;top:calc(var(--navigation-height, 0px) - var(--navigation-offset, 0px) + var(--back-button-top, 1rem) + var(--additional-offset, 0px));transition:background-color .4s,top .2s;width:2.25rem;z-index:50}.back.scrolled.svelte-bl6fr5{background:#1b27434d}.top-scroll-open .back.svelte-bl6fr5{--additional-offset:4.375rem}