html,body{background:#000}
.masthead,main,footer{visibility:hidden}
html.oddity-ready .masthead,html.oddity-ready main,html.oddity-ready footer{visibility:visible}
#preview-gate{position:fixed;inset:0;z-index:40;display:none;place-items:center;background:#000;color:#fff}
html.oddity-locked #preview-gate{display:grid}