::selection {
  background: hotpink;
  color: black;
}

:root {
  background: #111;
  color: #ddd;
}

:link {
  color: plum;
  background: #100;
}

:visited {
  color: orchid;
  background: #100;
}

:any-link:hover {
  color: hotpink;
  text-decoration-color: #e0e;
}

mark {
  background: #e99;
  color: #100;
}