html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #0b1220;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
#renderCanvas {
  width: 100%;
  height: 100%;
  touch-action: none;
  display: block;
}