body{margin:0;font:18px/1.6 system-ui,sans-serif;background:#f6f8f7;color:#16211d}
main{max-width:36rem;margin:15vh auto;padding:2rem;background:#fff;border:1px solid #dfe7e3;border-radius:1rem}
h1{margin-top:0;color:#173931}.version{color:#55645e}