:root {
  color-scheme: light dark;
}

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding: 16px;
  box-sizing: border-box;
  font: 1.5rem/1.4 system-ui, sans-serif;
  text-align: center;
}