[data-theme^=light] {
  .Button--color-vars(@control-bg-light, @control-color-light, 'button-toggled');
}

[data-theme^=dark] {
  .Button--color-vars(@control-bg-dark, @control-color-dark, 'button-toggled');
}

.Button--toggled {
  .Button--color-auto('button-toggled');
}
