:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0 auto; padding: 2.5rem 1.25rem 4rem; max-width: 44rem;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #14203a; background: #ffffff;
}
@media (prefers-color-scheme: dark) {
  body { color: #e8eefc; background: #0b1020; }
  a { color: #6fd6de; }
  hr { border-color: #23304f; }
  .meta { color: #93a4c6; }
}
h1 { font-size: 1.6rem; margin: 0 0 .25rem; letter-spacing: -.01em; }
h2 { font-size: 1.1rem; margin: 2rem 0 .5rem; }
.meta { color: #5b6b8c; font-size: .9rem; margin: 0 0 2rem; }
ul { padding-left: 1.2rem; }
li { margin: .35rem 0; }
a { color: #0b7d86; }
hr { border: 0; border-top: 1px solid #dde4f2; margin: 2.5rem 0 1.5rem; }
footer { font-size: .85rem; }