:root{color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:#0e1116;color:#d8dee6;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:40rem;margin:0 auto;padding:3rem 1.25rem}
header{text-align:center;margin-bottom:2rem}
h1{margin:.5rem 0 0;font-size:2.6rem;letter-spacing:.3em;color:#fff}
.sub{margin:.25rem 0 0;color:#7dd3c0;font-size:.95rem;letter-spacing:.05em}
.tag{font-size:1.2rem;text-align:center;margin:0 0 2rem}
ul{list-style:none;padding:0;margin:0 0 2.5rem}
li{background:#161b22;border:1px solid #232a33;border-radius:10px;padding:.8rem 1rem;margin:.6rem 0}
strong{color:#fff}
footer{text-align:center;color:#8b949e;font-size:.95rem}
a{color:#7dd3c0}