:root {
  --text: #111;
  --muted: #555;
  --bg: #fff;
  --link: #0066cc;
  --rule: #e5e5e5;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Times New Roman", Times, serif;
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: 650px;
  margin: 50px auto;
  padding: 0 10px;
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 1rem;
  font-weight: 700;
}

.tagline {
  margin: 0 0 1rem;
}

h2 {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.25rem 0 0.5rem;
}

p { margin: 0 0 1rem; }

ul {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
  list-style-type: disc;
}

li { margin: 0; }

a {
  color: var(--link);
  text-decoration: underline;
}

a:hover { text-decoration: none; }

strong { font-weight: 700; }
em { font-style: italic; color: inherit; }

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e8e8e8;
    --muted: #999;
    --bg: #0e0e0e;
    --link: #6aa6ff;
    --rule: #2a2a2a;
  }
}