@media screen and (prefers-color-scheme: dark) {
  :root {
    color: white;
    background-color: black;
  }
}

main {
  font-family: "Menlo", monospace;
  margin: 0 auto;
  padding: 2rem;
  max-width: 40rem;
}

a {
  color: inherit;
}

a:hover {
  color: grey;
}

hr {
  margin: 2rem 0;
}

p,
ul,
ol,
pre,
figure,
blockquote {
  margin: 1rem 0;
}

h1,
h2 {
  margin: 3rem 0 1rem 0;
  text-align: center;
}

h3,
h4 {
  margin: 2rem 0 1rem 0;
  text-align: center;
}

h5,
h6 {
  margin: 1rem 0 1rem 0;
  text-align: center;
}