:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
}

body {
  margin: 0;
  padding: 1.5rem;
  max-width: 40rem;
  margin-inline: auto;
  line-height: 1.5;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 30rem;
}

textarea {
  font: inherit;
  padding: 0.5rem;
}

button {
  align-self: flex-start;
  padding: 0.5rem 1rem;
  font: inherit;
  cursor: pointer;
}

footer {
  margin-top: 2rem;
}