body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f8fa;
  color: #20242a;
}
main {
  max-width: 720px;
  margin: 12vh auto;
  padding: 32px;
}
h1 {
  font-size: 32px;
  margin-bottom: 12px;
}
p {
  color: #58606b;
}