<details class="govuk-details fiu-details govuk-!-margin-top-2 govuk-!-margin-bottom-2" data-module="govuk-details">
    <summary class="govuk-details__summary fiu-link--employers">
        <span class="fiu-details__summary-text fiu-link--employers">
            Summary title
        </span>
    </summary>
    <div class="govuk-details__text fiu-details__text">
        Text goes here
    </div>
</details>