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

body {
  margin: 2rem auto;
  max-width: 42rem;
  padding: 0 1rem;
  line-height: 1.6;
}

form {
  display: grid;
  gap: 0.75rem;
}

input,
button {
  padding: 0.75rem;
  font: inherit;
}