body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #f2f2f2;
  color: #444;
}
main {
  max-width: 34rem;
  margin: 18vh auto 0;
  padding: 0 1rem;
}
h1 {
  font-size: 4rem;
  margin: 0;
  color: #999;
}
a { color: #06c; }