* {
  font-size: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: monospace;
  font-size: 18px;
  font-size: 1.125rem;
  line-height: 1.75;
  background-color: rgba(0, 0, 0, 0.9);
  color: rgba(255, 255, 255, 0.9);
}

.site {
  width: 100%;
  max-width: 50rem;
  padding: 2rem;
  margin: 0 auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}

a {
  font-weight: bold;
  color: blueviolet;
  text-decoration: none;
}

.copyright {
  font-size: 75%;
}

.hidden {
  opacity: 0;
}