balbuf

(async () => {
  const link = document.createElement('a');
  document.body.appendChild(link);
  
  // loop through matching images
  for (const image of document.querySelectorAll('.pv-inner img:first-child')) {
    const path = image.style.backgroundImage.split('"')[1].replace(/-\d.jpg/, '-5.jpg');
    // filename of the image
    link.download = new URL(path).pathname.replace(/^.*\//, '');
    // fetch the image, convert it to a data URL, set as the href of the link element