oliverdavies.uk/source/_includes/badges.html.twig

<div class="panel badges text-center">
    <a href="https://assoc.drupal.org/membership" title="I’m a Drupal Association member." class="is-block">
        <img
            src="{{ site.images_url }}/assets/images/badges/da-individual-member.png"
            alt="Drupal Association Individual Member"
            width="200"
        />
    </a>

    <div class="acquia-badges">
        <div class="badge">
            <img
                src="{{ site.images_url }}/assets/images/badges/acquia-d8-developer.png"
                alt="Acquia Certified Developer - Drupal 8 Exam Badge"
            />
        </div>

        <div class="badge">
            <img
                src="{{ site.images_url }}/assets/images/badges/acquia-d8-back-end.png"
                alt="Acquia Certified Back End Specialist - Drupal 8 Exam Badge"
            />
        </div>
    </div>

    <a href="http://conference.phpnw.org.uk/phpnw17" class="is-block">
        <img src="{{ site.images_url }}/assets/images/badges/phpnw17.png" alt="">
    </a>
</div>