:root {
  --ink: #25214f;
  --paper: #fffdf8;
  --hl: #ffe45c;
  --muted: #6e6a93;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font:
    17px/1.6 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 22px 80px;
}
header a {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  font-size: 20px;
}
header a span {
  color: #d4b500;
}
h1 {
  font-size: 34px;
  line-height: 1.15;
  margin: 28px 0 6px;
}
h2 {
  font-size: 21px;
  margin: 34px 0 6px;
}
p,
li {
  color: #33305c;
}
.muted {
  color: var(--muted);
  font-size: 15px;
}
mark {
  background: var(--hl);
  padding: 0 3px;
}
a {
  color: var(--ink);
}
nav {
  margin-top: 40px;
  font-size: 15px;
}
nav a {
  margin-right: 16px;
}