html,
body {
  margin: 0;
  padding: 5;
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center; /* Center horizontally */
  align-items: center; /* Center vertically */
}

#map {
  width: 100%; /* Adjust width to your desired size */
  height: 100%; /* Adjust height to your desired size */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* Optional: subtle shadow for effect */
  border-radius: 8px; /* Optional: rounded corners */
}

#map svg {
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

#map svg circle {
    --color-departures: steelblue;
    --color-arrivals: darkorange;
    --color: color-mix(
      in oklch,
      var(--color-departures) calc(100% * var(--departure-ratio)),
      var(--color-arrivals)
    );
    fill: var(--color);
    fill-opacity: 0.6;
    stroke: white;
    pointer-events: auto;
}