:root {
  color-scheme: light dark;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  font-size: 18px;
  line-height: 1.6;
  color: #222;
  background: #fff;
}

body {
  max-width: 42rem;
  margin: 2.5rem auto;
  padding: 0 1rem;
}

header {
  margin-bottom: 2rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: 2rem;
  line-height: 1.2;
}

.site-name {
  font-size: 1.25rem;
  font-weight: 700;
}

a {
  color: inherit;
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration-thickness: 0.12em;
}

a:focus-visible {
  outline: 0.15rem solid currentColor;
  outline-offset: 0.2rem;
}

nav ul {
  margin: 0;
  padding-left: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    color: #eee;
    background: #171717;
  }
}