body {
  max-width: 36em;
  margin: 3em auto;
  padding: 0 1em;
  font-family: serif;
  line-height: 1.5;
  color: rgb(30, 30, 30);
  background: rgb(248, 247, 242);
}

h1 {
  font-family: sans-serif;
  font-size: 1.2em;
  border-bottom: 3px solid rgb(30, 30, 30);
}

h2 {
  font-family: sans-serif;
  font-size: 1em;
  margin-top: 2em;
}

a {
  color: rgb(21, 71, 51);
}

ol li {
  margin-bottom: 0.75em;
}

.signup {
  margin: 0.5em 0;
  padding: 0.75em;
  border: 1px solid rgb(200, 200, 190);
  background: white;
}

.signup label {
  display: block;
  margin-bottom: 0.4em;
  font-family: sans-serif;
  font-size: 0.85em;
}

.signup input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin-top: 0.15em;
  padding: 0.3em;
  font: inherit;
  font-family: monospace;
  font-size: 1.1em;
}

.signup code {
  display: block;
  margin: 0.6em 0 0.4em;
  overflow-wrap: anywhere;
}

small {
  color: rgb(110, 110, 110);
}