body {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1rem;
  font-family: sans-serif;
  line-height: 1.5;
}

.rsvp-form-frame {
  margin-top: 1.5rem;
}

.rsvp-form-frame iframe {
  width: 100%;
  min-height: 70rem;
  border: 0;
}

.rsvp-button {
  display: inline-block;
  padding: 0.8rem 1.2rem;
  border: 2px solid currentColor;
  border-radius: 999px;
  text-decoration: none;
  font-weight: bold; 
}