:root {
  --ink: #111;
  --paper: #fff;
  --blue: #376a91;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
  line-height: 1.5;
}

main {
  width: min(520px, calc(100% - 32px));
  margin: 48px auto;
}

header {
  margin-bottom: 32px;
  padding: 14px 0 12px;
  border-top: 4px solid var(--blue);
  border-bottom: 1px solid var(--ink);
}

h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: .08em;
}

header p {
  margin: 5px 0 0;
  font-size: 11px;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

li { margin: 0 0 18px; }

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--blue);
}

a:focus-visible {
  outline: 1px dashed var(--ink);
  outline-offset: 4px;
}

li p {
  margin: 3px 0 0;
  color: #555;
  font-size: 12px;
}

@media (max-width: 520px) {
  main { margin-top: 24px; }
}