:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0; padding: 2.5rem 1.25rem 5rem;
  background: #0d0f12; color: #d7dbe0;
  font: 16px/1.65 ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 46rem; margin: 0 auto; }
a { color: #7fb2ff; }
h1 { font-size: 1.9rem; margin: 0 0 .35rem; letter-spacing: -.02em; }
h2 { font-size: 1.25rem; margin: 2.4rem 0 .6rem; padding-top: 1.2rem; border-top: 1px solid #23272e; }
h3 { font-size: 1.05rem; margin: 1.6rem 0 .5rem; }
.lede { color: #9aa3ad; margin: 0 0 1.5rem; }
nav.top { margin: 0 0 2rem; font-size: .9rem; }
nav.top a { margin-right: 1rem; }
code {
  background: #171b21; border: 1px solid #23272e; border-radius: 4px;
  padding: .1em .35em; font-size: .88em;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}
pre {
  background: #171b21; border: 1px solid #23272e; border-radius: 6px;
  padding: .9rem 1rem; overflow-x: auto;
}
pre code { background: none; border: 0; padding: 0; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .93rem; }
th, td { border: 1px solid #23272e; padding: .45rem .6rem; text-align: left; vertical-align: top; }
th { background: #171b21; }
ul, ol { padding-left: 1.3rem; }
li { margin: .3rem 0; }
footer { max-width: 46rem; margin: 3.5rem auto 0; padding-top: 1.2rem;
  border-top: 1px solid #23272e; color: #6b7480; font-size: .85rem; }