:root {
  color-scheme: light dark;
  font: 1rem/1.65 system-ui, sans-serif;
}

body {
  margin: 0;
}

main {
  max-width: 42rem;
  margin: auto;
  padding: 2.5rem 1.25rem;
}

h1, h2 {
  line-height: 1.25;
}