::selection {
  background: indigo;
  color: lightyellow;
}

:root {
  background-color: lemonchiffon;
  background-image: radial-gradient(lemonchiffon, peachpuff);
  color: indigo;
}

:any-link {
  color: darkviolet;
}

@media (prefers-contrast: more) {
  :any-link {
    color: purple;
  }
}