html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: #000;
  color: #fff;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 16px;
}

main {
  width: min(100% - 48px, 640px);
  margin: 0 auto;
  padding: 64px 0;
}

h1 {
  margin: 0 0 40px;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: .08em;
  text-transform: lowercase;
}

nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

a {
  padding: 4px 7px;
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

a::before {
  content: "> ";
  text-decoration: none;
}

a:hover,
a:focus-visible {
  background: #fff;
  color: #000;
  outline: 0;
  text-decoration: none;
}

@media (max-width: 480px) {
  main {
    width: calc(100% - 32px);
    padding: 40px 0;
  }
}