body {
  margin: 8px;
  font-family: monospace;
}

main {
  color: #333;
  margin: 0 auto;
  max-width: 600px;
}

h1,
h2 {
  text-align: center;
}

ol,
ul {
  margin: 24px 0 24px;
}

li {
  margin: 8px 0;
}

p,
li {
  line-height: 1.4rem;
}