@theme(dark) {

$theme.button {
  color: #ddd;
  text-shadow: 0 -1px 0 black;

  &.active {
    color: #bbb;
    text-shadow: 0 -1px 0 black;
  }

  &.sel.active, &.def.active {
    color: #ddd;
    text-shadow: 0 -1px 0 black;
  }
}

}