violet.css

::selection {
  background: #323;
  color: #de1;
}

:any-link {
  background: purple;
  color: #ec0;
  transition: 333ms ease-out;
}

:any-link:only-child {
  background: indigo;
}

:focus {
  filter: hue-rotate(-72deg);
  outline: .2ch double;
}

:active {
  filter: hue-rotate(-144deg);
}

a:active {
  filter: hue-rotate(-108deg);
}

html {
  background: #ec0;
  background-image: linear-gradient(0turn, #1ed 0%, transparent 38%, transparent 62%, #cd2);
  color: #121113;
  transition: 333ms ease-in;
}