mumuki.load(() => {
  scaleCertificate();
  mumuki.resize(scaleCertificate);

  function scaleCertificate() {
    const $certPreview = $('.certificate-preview');
    const $muCertificate = $('.mu-certificate-box');
    $muCertificate.css('transform', 'scale(1)');

    const scaleWidth = $muCertificate.width() / $certPreview.width();
    $muCertificate.css({
      'transform': `scale(${1 / scaleWidth})`,
      'transform-origin': `0 0`,
    });
    $certPreview.height($muCertificate.height());
  }
});