:root {
  font-family: system-ui, sans-serif;
  color-scheme: light dark;
}
body {
  margin: 0;
}
main {
  max-width: 720px;
  margin: 12vh auto;
  padding: 24px;
  line-height: 1.6;
}
a {
  text-underline-offset: 3px;
}