govuk-frontend/dist/govuk/components/textarea/template-with-custom-rows.html

GOV.UK Frontend contains the code you need to start building a user interface for government platforms and services.

<div class="govuk-form-group">
  <label class="govuk-label" for="full-address">
    Full address
  </label>
  <textarea class="govuk-textarea" id="full-address" name="address" rows="8"></textarea>
</div>