:root {
  --brand: #3daa6c;
  --ink: #14213d;
  --ground: #faf8f4;
  --muted: #4b5563;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: Roboto, system-ui, sans-serif;
  color: var(--ink);
  background: var(--ground);
  line-height: 1.5;
}
main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem 1rem;
}
h1 {
  font-size: 1.875rem;
  margin: 0 0 0.5rem;
}
h2 {
  font-size: 1.125rem;
  margin: 1.5rem 0 0.5rem;
}
p,
li {
  font-size: 1rem;
}
.muted {
  color: var(--muted);
}
a {
  color: #1f5fad;
}
.brand {
  color: var(--brand);
  font-weight: 700;
}