.back-to-top{inset-inline-end:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));border:1px solid var(--rust);background:var(--paper);width:48px;height:48px;color:var(--rust);font:26px/1 var(--sans);z-index:15;border-radius:50%;place-items:center;display:grid;position:fixed;box-shadow:0 2px 10px #24211d20}.back-to-top:hover{background:var(--background-subtle)}.back-to-top[hidden]{display:none}@media (width<=600px){body{padding-bottom:80px}.back-to-top{width:44px;height:44px;inset-inline-end:8px;bottom:max(12px,env(safe-area-inset-bottom))}}