body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  background: #f6f1f0;
  color: #261b19;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.5rem;
}

h1 {
  font-size: 1.5rem;
}

.lead {
  font-size: 1.15rem;
  font-weight: 600;
}

label {
  display: block;
  margin: 1rem 0;
}

input,
select,
textarea,
button {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  box-sizing: border-box;
  font: inherit;
}

textarea {
  min-height: 8rem;
}

button {
  background: #b91c1c;
  color: #fff;
  border: 0;
  padding: 0.75rem;
}

.ok {
  color: #166534;
}

.err {
  color: #b91c1c;
}