:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
}

body {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  color: CanvasText;
  background: Canvas;
}

header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block-end: 1rem;
  border-block-end: 1px solid GrayText;
}

header a:first-child {
  font-weight: 700;
}

h1,
h2 {
  line-height: 1.25;
}

h2 {
  margin-block-start: 2rem;
}

a {
  color: LinkText;
}