function copySecret(secret) {
  var tempText = document.createElement('input');
  tempText.style = 'position: absolute; left: -1000px; top: -1000px';
  tempText.value = secret;
  document.body.appendChild(tempText);
  tempText.select();
  document.execCommand('copy');
  document.body.removeChild(tempText);
  document.getElementById('copyButton').innerHTML = "- secret copied -";
}