body {
  font-family: monospace;
  font-size: 1.3em;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  white-space: preserve-breaks;
  padding: 1em;
  margin: auto;
  max-width: 40em;
  gap: 1em;

  background: black;
  color: white;
}

#links {
  display: flex;
  gap: 1em;
}
#links > a {
  text-decoration: none;
  font-weight: bold;

  border: solid 0.15em;
  border-color: white transparent;
  padding: 0.1em;
}
#links > a[active] {
  background: white;
  color: black;
}

h1 {
  margin: 0;
  text-align: center;
}
a {
  color: white;
}
hr {
  width: 100%;
  margin: 0;
  color: white;
}