.js input.form-autocomplete {
  background-image: url(https://web.archive.org/web/20221118103826im_/https://mhttcnetwork.org/core/themes/stable/images/core/throbber-inactive.png);
  background-repeat: no-repeat;
  background-position: 100% center; /* LTR */
}
.js[dir="rtl"] input.form-autocomplete {
  background-position: 0% center;
}
.js input.form-autocomplete.ui-autocomplete-loading {
  background-image: url(https://web.archive.org/web/20221118103826im_/https://mhttcnetwork.org/core/themes/stable/images/core/throbber-active.gif);
  background-position: 100% center; /* LTR */
}
.js[dir="rtl"] input.form-autocomplete.ui-autocomplete-loading {
  background-position: 0% center;
}