[data-nav-item="test"],
[data-nav-item="account"],
[data-nav-item="login"] {
  --themable-button-text: #ff0000;
  --themable-button-hover-text: color-mix(
    in srgb,
    var(--themable-button-text) 75%,
    black 25%
  );
}

.word.error {
  border-bottom: solid 2px #ff0000;
}