html,body{height:100%;position:fixed;overflow:hidden;width:100%}body{margin:0;overflow:hidden;background:#000;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#app{width:100vw;height:100vh;height:100dvh;position:relative}canvas{display:block;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}