:root{color:#1f2933;background:#f4f6f8;font-family:system-ui,sans-serif}body{margin:0}.center{place-items:center;min-height:100vh;padding:1rem;display:grid}.card{text-align:center;background:#fff;border-radius:8px;min-width:min(20rem,100%);padding:2rem 2.5rem;box-shadow:0 1px 4px #0000001a}h1{margin:0 0 1rem;font-size:1.5rem}.muted{color:#616e7c}.error{color:#b42318}.button{color:#fff;font:inherit;cursor:pointer;background:#1f6feb;border:0;border-radius:6px;padding:.6rem 1.6rem;text-decoration:none;display:inline-block}.button:hover{background:#1858c4}