body {
  font: 18px system-ui, sans-serif;
  background: #eef3ee;
  color: #173b2b;
  margin: 0;
}
main {
  max-width: 42rem;
  margin: auto;
  padding: 1rem;
}
label, textarea, button {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin: 0.6rem 0;
  font: inherit;
}
button {
  padding: 0.6rem;
  background: #173b2b;
  color: white;
}
textarea {
  min-height: 6rem;
}
article {
  white-space: pre-wrap;
  border-bottom: 1px solid #aaa;
  padding: 1rem 0;
}