html {
	color-scheme: light dark;
	background-color: light-dark(white, black);
	color: light-dark(black, white);
}

body {
  font: 1rem/1.5 "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

html, body {
  margin: 0;
  height: 100dvh;
}
body {
  display: flex;
  flex-direction: column;
  align-items: center;
}

header, main, footer {
  width: 50rem;
  max-width: 50rem;
}
header {
  padding-top: 1rem;
}