submit-social-housing-lettings-and-sales-data/app/frontend/styles/_accessible-autocomplete.scss

// Ensure the autocomplete uses the correct typeface
.autocomplete__wrapper {
  font-family: $govuk-font-family;
}

.autocomplete__input {
  font-family: inherit;
}

.autocomplete__option__append {
  font-weight: bold;
}

.autocomplete__option__hint {
  display: block;
  color: $govuk-secondary-text-colour;

  .autocomplete__option--focused &,
  .autocomplete__option:hover & {
    color: govuk-colour("white");
  }
}

// Style the autocomplete if there’s an error
.govuk-form-group--error {
  .autocomplete__input {
    border-color: $govuk-error-colour;
  }

  .autocomplete__input--focused {
    border-color: $govuk-input-border-colour;
  }
}

.autocomplete__dropdown-arrow-down {
  // Ensure dropdown arrow can be clicked
  // https://github.com/alphagov/accessible-autocomplete/issues/202
  pointer-events: none;
  // Ensure dropdown arrow can be seen
  z-index: 0;
}