@form-state-visual-feedback-enabled: false;

.form-state-visual-feedback-mixin(@enabled) when(@enabled = true) {
  .ng-invalid {
    &:focus {
      box-shadow: 0 0 @outline-blur-size @outline-width fade-out(@error-color, 0.8);
    }

    &,
    &:hover {
      border-color: @error-color;
    }
  }
}
.form-state-visual-feedback-mixin(@form-state-visual-feedback-enabled);