:root{font-family:Courier New,Courier,monospace;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffde;background-color:#000}body{margin:0;padding:0;width:100vw;height:100vh;overflow:hidden;background-color:#000}#app{width:100%;height:100%;margin:0;padding:0}canvas{display:block}#ui-layer{font-size:16px}button{cursor:pointer;background-color:#333;color:#fff;border:1px solid #555;padding:10px 20px;font-size:1.2rem;transition:all .2s}button:hover{background-color:#555;border-color:#777}input,select{font-size:1.2rem;padding:10px;background:#222;color:#fff;border:1px solid #444}