div.ajax-progress {
  background: rgba(255,255,255,0.9) !important;
  height: 100% !important;
  left: 0 !important;
  position: fixed !important;
  top: 0 !important;
  width: 100% !important;
  z-index: 9998 !important;
}

div.throbber {
  background: url("http://lambweston.eu/foodservice/sites/default/files/views_sexy_throbber/loader_trans2.gif") no-repeat scroll 50% 50% !important;
  background-color: transparent !important;
  border-radius: 0px !important;
  height: 256px !important;
  left: 50% !important;
  margin-left: -64px !important;
  margin-top: -128px !important;
  padding: 10px !important;
  position: fixed !important;
  top: 50% !important;
  width: 128px !important;
  z-index: 9999 !important;
}
A