body{margin:0;padding:0}#canvas-container{height:100vh;width:100vw}.controls{position:absolute;top:10px;left:10px;background:#fffc;padding:10px;border-radius:5px;box-shadow:0 0 10px #0000001a;z-index:10}.controls label{display:block;margin-bottom:5px}.controls input{width:100px;margin-left:10px}