}}" class="btn btn-block btn-outline-github"><i class="fab fa-github fa-fw"></i> View on GitHub</a>
                    {% endif %}

                </div>
            </div>
            <!-- Twitter Card -->
            <div class="card border-0 shadow mb-4 text-center">
                <div class="card-body">
                    <div class="small mb-2 font-weight-bold">Get updates when {{ page.title }} is improved!</div>
                    <a target="_blank" href="javascript:void(0)" onclick="window.open