*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:#0e0e10;color:#e9e9ec;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.viewer-frame{position:fixed;inset:0;width:100vw;height:100vh;border:0;display:block}.centre{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;text-align:center}.centre .card{max-width:30rem}.centre h1{font-size:1.25rem;font-weight:600;margin:0 0 .75rem}.centre p{color:#a9a9b2;line-height:1.5;margin:0}