/**
 * The map loader control (createMap.js `loaderControl`): a Mapbox control that
 * holds the biopama_libraries/busy `map` ring and is toggled by the pages.
 * Centred over the map's viewport; the transform also overrides Mapbox's
 * `.mapboxgl-ctrl { transform: translate(0) }`. (Previously in ajaxLoader.css.)
 */
.mapboxgl-ctrl.ajax-loader.ajax-load {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}