Stylish - show hidden files on JotForm

/*
    Requires FireFox or Chrome Stylish plugin
    https://addons.mozilla.org/en-US/firefox/addon/stylish/
    https://chrome.google.com/webstore/detail/stylish/fjnbnpbmkenffdnngjfgmeleoegfcffe?hl=en
*/
@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("jotform.com") {
  li.form-line.always-hidden, li.form-line.always-hidden > div.always-hidden
  {
    display:block !important;
  }
  li.form-line.always-hidden > label:before
  {
    content:"hidden (administration) field";
    font-size: 8px;
    background-color: yellow;
    float:left;
    margin-top: -1.5em !important;
    padding-left: 2px;
    padding-right: 2px;
  }
}