#room{position:fixed;inset:0;z-index:1000;background:#1a1215}#room[hidden]{display:none}html[data-room=on],html[data-room=on] body{height:100%;overflow:hidden;overscroll-behavior:none}html[data-room=on] .topbar,html[data-room=on] .site-footer,html[data-room=on] .page>:not(#room){display:none}html[data-room=boot] .topbar,html[data-room=boot] .site-footer,html[data-room=boot] .page>:not(#room){animation:room-boot 0s 2.5s both}@keyframes room-boot{0%{visibility:hidden}to{visibility:visible}}