body {
            margin: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            background-color: black;
            color: yellow;
            overflow: hidden;
        }
        .controls {
            margin: 10px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            z-index: 1;
        }
        canvas {
            background-color: transparent;
            touch-action: none;
            width: 100vw;
            height: calc(100vh - 80px);
            position: absolute;
            top: 80px;
            left: 0;
        }
        h1 {
            font-size: 40px;
            font-weight: bold;
            margin: 0;
            z-index: 1;
        }