html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  background-size: cover;
  background-position: center;
  font-family: monospace;
  color: white;
  text-shadow: 0px 0px 8px black;
}

#countdown {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 5vw;
  font-weight: bold;
  text-align: center;
  z-index: 10;
}

#worldmap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  opacity: 0.6;
  pointer-events: none;
}