{{ with site.Params.sidebar.gratipay -}}
    <h3>Donate</h3>
    <p>
        Consider supporting the authors on <a href="https://www.gratipay.com/">Gratipay</a>:
        <script src="//grtp.co/v1.js" data-gratipay-username="{{ . }}" data-gratipay-widget="button" async></script>
    </p>
{{- end }}
