html,body{margin:0}#preview-unavailable{position:fixed;inset:0;margin:auto;box-sizing:border-box;max-width:calc(100vw - 32px);width:420px;max-height:calc(100dvh - 32px);overflow:auto;background:#171b24;border:1px solid #fff5;color:white;padding:24px;font:15px/1.5 Arial,sans-serif}#preview-unavailable::backdrop{background:#081018a6}#preview-unavailable button{min-height:44px;padding:8px 20px;cursor:pointer}