html, body { height: 100%; margin: 0; } 
#map { height: 100vh; width: 100vw; }/*map is 100% of the screen*/
#pickCountry { z-index: 1000; } /*country picker is on top of the map */
.leaflet-control-layers { font-size: 0.9rem; }


/*  Preloader overlay */
body.preloading { overflow: hidden; }

#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity .3s ease;
}

#preloader.fade-out {
  opacity: 0;
  pointer-events: none;
}

#preloader .spinner {
  width: 60px;
  height: 60px;
  border: 4px solid  lightgray;
  border-top-color:blue;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }