body {
            margin: 0;
            background: black;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            flex-direction: column;
            color: cyan;
            font-family: 'Press Start 2P', cursive;
            text-align: center;
        }
        canvas {
            border: 2px solid cyan;
            box-shadow: 0 0 15px cyan;
            display: none;
    width: 100% !important;
    height: auto !important;
    max-width: 400px;
    touch-action: none;
        }
        button {
            padding: 15px 30px;
            font-size: 20px;
            background: cyan;
            color: black;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 10px cyan;
            transition: 0.3s;
            font-family: 'Press Start 2P', cursive;
        }
        button:hover {
            box-shadow: 0 0 20px cyan;
        }
        #difficulty {
            margin-top: 10px;
            font-size: 16px;
            background: black;
            color: cyan;
            border: 2px solid cyan;
            padding: 10px;
            font-family: 'Press Start 2P', cursive;
        }