html,
body {
  margin: 0;
  padding: 0;
  background: #0e120f;
  color: white;
  font-family: sans-serif;
}

#myearth {
  width: 100%;
  height: 100vh;
  max-height: 100vw;
  overflow: hidden;
}

#myearth canvas {
  filter: brightness(0);
  transform: scale(0.8);
  transition: filter 3.5s ease-in-out, transform 1.5s ease-in-out;
}
#myearth.earth-ready canvas {
  filter: none;
  transform: none;
}

#myearth::before {
  content: none;
}

/* background glow */

#glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  max-width: 100vh;
  height: 100vh;
  max-height: 100vw;
  transform: translate(-50%, -50%);

  background: radial-gradient(
    ellipse at center,
    rgba(45, 192, 0, 0) 33%,
    rgba(45, 192, 0, 0.12) 52%,
    rgba(45, 192, 0, 0.05) 54%,
    rgba(45, 192, 0, 0) 70%
  );
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition: opacity 4s ease-in-out;
}
#myearth.earth-ready #glow {
  opacity: 1;
}