* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 2rem;

  font-family: system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  background: #fafafa;
  color: #222;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;

  text-decoration: none;
  color: #555;
}

.back-link:hover {
  text-decoration: underline;
}