.ol-zoom {
  top: auto !important;
  bottom: 2em !important;
  right: 1em !important;
  left: auto !important;
  padding: 0 !important;
  background-color: #285e8e !important;
}

.bg_primary, .ol-zoom button {
  background-color: #428bca !important;
}

.ol-attribution { display: none; }