<div>
  <a  class="btn btn-primary" role="button" href="https://github.com/sponsors/ncw" target="_blank"><i class="fab fa-github" aria-hidden="true"></i> GitHub Sponsors</a>
  <div class="dropdown" style="display: inline;">
    <a class="btn btn-primary dropdown-toggle" href="#" role="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
      <i class="fab fa-paypal" aria-hidden="true"></i> PayPal
    </a>
    <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
      <span class="dropdown-item"><small class="text-muted">Please check the "monthly" box</small></span>
      <a class="dropdown-item" target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=B9JZV25DCP2SJ&amp;source=url">Sponsor in $ USD</a>
      <a class="dropdown-item" target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=RGRFXCDDHK3LW&amp;source=url">Sponsor in £ GBP</a>
      <a class="dropdown-item" target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=Y2AMZXSALFBR4&amp;source=url">Sponsor in € EUR</a>
    </div>
  </div>
  <a  class="btn btn-primary" role="button" href="https://patreon.com/njcw/" target="_blank"><i class="fab fa-patreon" aria-hidden="true"></i> Patreon</a>
  <a  class="btn btn-primary" role="button" href="https://liberapay.com/ncw/" target="_blank">Liberapay</a>
</div>