#main { 
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background-color: #000000;
}
#map {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 0;
    z-index: 1000;
    overflow: hidden!important;
    border: 2px solid grey;
    border-radius: 20px;
}

.loader {
  position: absolute;
  bottom: 8px;
  left: 90px;
  z-index: 5000;
  border: 4px solid #f3f3f3; /* Light grey */
  border-top: 4px solid #3498db; /* Blue */
  border-radius: 50%;
  width: 10px;
  height: 10px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}