:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1c1c21;
  background: #fafafa;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 22px 80px;
}
h1 { font-size: 1.7rem; margin: 0 0 .2rem; }
h2 { font-size: 1.18rem; margin: 2rem 0 .4rem; }
h3 { font-size: 1rem; margin: 1.2rem 0 .3rem; }
p, li { font-size: .98rem; color: #34343c; }
a { color: #5b7cfa; }
em { color: #6b6b73; }
hr { border: none; border-top: 1px solid #e3e3e8; margin: 2rem 0; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .95rem; }
th, td { border: 1px solid #e0e0e6; padding: 8px 10px; text-align: left; }
th { background: #f0f0f4; }
code { background: #eee; padding: 1px 5px; border-radius: 4px; font-size: .9em; }
.nav { font-size: .9rem; margin-bottom: 1.5rem; }
.nav a { margin-right: 16px; }
footer { margin-top: 48px; font-size: .85rem; color: #8a8a92; }
@media (prefers-color-scheme: dark) {
  body { background: #0e0e11; color: #f4f3ef; }
  p, li { color: #cfcfd6; }
  th { background: #1c1c21; }
  th, td { border-color: #2a2a31; }
  code { background: #1c1c21; }
  hr { border-top-color: #2a2a31; }
}