.au-text-input {
  &--block {
    max-width: 42em;
  }
  &:invalid {
    border-color: gray;
    background-color: $AU-color-background;
  }
  &.error {
    background-color: mix( $AU-color-error, $AU-color-background, 5% );
    border-color: $AU-color-error;
  }
}

textarea.au-text-input {
  max-width: 42em;
}