:root {
  --bg: #0f1115;
  --fg: #e6e8ec;
  --muted: #9aa3b2;
  --accent: #5b9dff;
  --rule: #232733;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 3rem 1.25rem 5rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 44rem; margin: 0 auto; }
h1 { font-size: 2rem; margin: 0 0 .25rem; letter-spacing: -.02em; }
h2 { font-size: 1.15rem; margin: 2.25rem 0 .5rem; letter-spacing: -.01em; }
.tag { color: var(--muted); margin: 0 0 2rem; }
a { color: var(--accent); }
ul { padding-left: 1.15rem; }
li { margin: .3rem 0; }
footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .9rem;
}
footer a { margin-right: 1rem; }
code {
  background: #171a21;
  padding: .15rem .35rem;
  border-radius: 4px;
  font-size: .9em;
}