:root {
  --safe-top: env(safe-area-inset-top);
  --safe-right: env(safe-area-inset-right);
  --safe-bottom: env(safe-area-inset-bottom);
  --safe-left: env(safe-area-inset-left);
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  background: #000;
}

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

#GameDiv,
#Cocos3dGameContainer,
#GameCanvas {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

#GameDiv {
  position: fixed;
  inset: 0;
}

#GameCanvas {
  background: transparent;
}