:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  background: #121820;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #121820;
  touch-action: none;
}

body,
canvas,
div {
  outline: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#GameDiv {
  position: fixed !important;
  inset: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
  width: auto !important;
  height: auto !important;
  margin: 0;
  background: #121820;
}

#Cocos3dGameContainer,
#GameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  background: transparent;
}