<div class="center">
    <ul>
        <li class="bold">{lang 'Membership Name: %0%', '<span class="italic">' . $membershipName . '</span>'}</li>
        <li  class="bold">{lang 'Expiration: %0%', '<span class="italic">' . $expirationDate . '</span>'}</li>
    </ul>
    <p>
        <a class="btn btn-primary btn-md" href="{{ $design->url('payment', 'main', 'membership') }}">{lang 'Renew/Upgrade your Membership'}</a>
    </p>
</div>

<div class="center">
    <ul>
        <li class="bold">{lang 'Membership Name: %0%', '<span class="italic text-info">' . $membershipName . '</span>'}</li>
        <li  class="bold">{lang 'Expiration: %0%', '<span class="italic text-danger">' . $expirationDate . '</span>'}</li>
    </ul>
    <p>
        <a class="btn btn-primary btn-md" href="{{ $design->url('payment', 'main', 'membership') }}">{lang 'Renew/Upgrade your Membership'}</a>
    </p>
</div>

Set colours to user membership details
Style: Set colours to user membership details
