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

:root {
  color: seashell;
  background: mediumvioletred;
}

:any-link {
  color: mistyrose;
}

:focus {
  filter: invert(100%);
  outline: thick dotted;
  text-shadow:
    1vw 0vh 0,
    -1vw 0vh 0;
}