.btn-loading {
  position: relative;
}

.ajax-progress.ajax-progress-fullscreen {
  background-color: black;
  opacity: 0.7;
  height: 100%;
  width: 100%;
  cursor: wait;
}

.ajax-throbber {
  height: 2rem;
  width: 2rem;
  display: block;
  background-color: transparent;
  background-image: url('../img/loader-hubber8.gif');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%, 0);
}