::selection {
  background: aquamarine;
  color: #111;
}

:root {
  background: #518;
  color: gainsboro;
  transition: 1s;
}

:root:active {
  background: #318;
}

:any-link {
  color: inherit;
  transition: 1s;
}

.luna {
  background: orange;
  color: #111;
}

:focus {
  background: #1ed;
  color: #111;
}

:active {
  outline-color: #ee1;
}

:active::marker {
  color: #111;
}

@media (prefers-contrast: more) {
  :root {
    background: #111;
    color: gainsboro;
  }
}