#n_index_page {
  background-image: url('/game/health/images/page_index_summer/n_index_page.jpg');
}
#n_city_popup_container {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 999999;
  background-color: rgba(0,0,0,0.5);
  pointer-events: none;
  opacity: 0;
  transition: 300ms;
}
#n_city_popup_container.open {
  opacity: 1;
  pointer-events: all;
}
#n_city_popup {
  position: absolute;
  width: 35%;
  height: 40%;
  background-image: url('/game/health/images/page_index_summer/n_index_popup.jpg');
  background-size: contain;
  background-repeat: no-repeat;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}
#n_city_popup_button {
  position: absolute;
  cursor: pointer;
  width: 48%;
  height: 14%;
  background-image: url('/game/health/images/page_index_summer/n_index_popup_btn.jpg');
  background-size: contain;
  background-repeat: no-repeat;
  bottom: 3%;
  left: 50%;
  transform: translate(-50%,-50%);
}