body {
  margin: 0;
  background: #f3f8f6;
  color: #1c2430;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}

h1 {
  color: #0f3d42;
  line-height: 1.2;
}

h2 {
  margin-top: 32px;
  font-size: 1.15rem;
  color: #0f3d42;
}

a {
  color: #0d8a79;
}

.muted {
  color: #5b6b73;
  font-size: 0.9rem;
}

.notice {
  background: #ffffff;
  border: 1px solid rgba(15, 157, 138, 0.25);
  border-radius: 14px;
  padding: 14px 16px;
}