*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#000}#app{width:100%;height:100%}#app canvas{display:block;width:100%!important;height:100%!important}#hud{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;z-index:10}