.gpspol-install-btn {
  background: linear-gradient(180deg, #ffffff 0%, #d8dde3 45%, #aeb6bf 100%) !important;
  color: #102033 !important;
  border: 1px solid #c5cbd3 !important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.95),
    0 14px 30px rgba(15, 23, 42, .18) !important;
  text-shadow: 0 1px 0 rgba(255,255,255,.65) !important;
}

.gpspol-install-btn:hover {
  background: linear-gradient(180deg, #ffffff 0%, #e3e7eb 45%, #b7bec7 100%) !important;
}