*{box-sizing:border-box;margin:0;padding:0}body{background:#e8e8e8;justify-content:center;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex}#app{background:#f5f5f5;width:100%;max-width:420px;min-height:100vh;box-shadow:0 0 20px #0000001a}