body { font-family: system-ui, sans-serif; background: #0f172a; color: #e2e8f0; display: grid; place-items: center; min-height: 100vh; margin: 0; }
main { text-align: center; max-width: 36rem; padding: 2rem; }
h1 { color: #38bdf8; }
a { color: #818cf8; }