<label class="aui-checkbox aui-js-checkbox is-checked is-invalid">
  <input class="aui-checkbox__input" type="checkbox" checked invalid>
  <span class="aui-checkbox__label">Text</span>
  <span class="aui-checkbox__error">Error messages that reassure users can make it easy for them to correct their mistakes and continue with the form.</span>
</label>
