:root { color-scheme: light dark; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font: 16px/1.5 system-ui, sans-serif;
  background: #10131a;
  color: #e8ecf3;
}
main { text-align: center; }
h1 { font-size: 2rem; margin: 0 0 .5rem; }
p { margin: .25rem 0; opacity: .7; }
.rel { font-size: .8rem; opacity: .45; }