:root {
  --ink: #1a1a1a;
  --paper: #f4f1ea;
  --accent: #7a5c3e;
  --rule: #d8d0c0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Courier New", ui-monospace, monospace;
  line-height: 1.55;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

header {
  text-align: center;
  border-bottom: 2px solid var(--rule);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.bone {
  width: 140px;
  height: auto;
  image-rendering: pixelated;
}

h1 {
  margin: 0.5rem 0 0.25rem;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 0;
  color: var(--accent);
  font-style: italic;
}

h2 {
  font-size: 1.15rem;
  border-left: 4px solid var(--accent);
  padding-left: 0.6rem;
  margin-top: 2rem;
}

pre {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  overflow-x: auto;
}

code {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.05rem 0.3rem;
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

a {
  color: var(--accent);
}

footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 2px solid var(--rule);
  text-align: center;
  color: var(--accent);
}