document.querySelectorAll("a[href]").forEach((link) => {
  if (!/^https?:$/.test(link.protocol)) return;
  if (link.hostname === location.hostname) return;
  link.target = "_blank";
});

document.querySelectorAll("a[data-email]").forEach((element) => {
  element.href = atob(element.dataset.email);
  delete element.dataset.email;
});