html:root {
  --brand: 270 48% 42%;
  --brand-light: 270 55% 62%;
  --brand-h: 270;
  --brand-s: 48%;
}
html.dark {
  --brand: 270 55% 65%;
  --brand-light: 270 60% 75%;
  --brand-h: 270;
  --brand-s: 55%;
}