body {
            margin: 0;
            padding: 20px;
            background: #1a1a1a;
            color: white;
            font-family: Arial, sans-serif;
        }

        canvas {
            display: block;
            margin: 20px auto;
            border: 2px solid #333;
            background: #000;
        }

        .controls {
            text-align: center;
            margin-top: 20px;
        }

        .controls label {
            display: inline-block;
            margin: 0 10px;
        }

        .controls input {
            margin: 0 5px;
        }

        h1 {
            text-align: center;
            color: #4CAF50;
        }

        #fpsCounter {
        position: absolute;
        top: 10px;
        left: 10px;
        background: rgba(0, 0, 0, 0.7);
        color: #00ff00;
        padding: 10px;
        border-radius: 5px;
        font-family: 'Courier New', monospace;
        font-size: 14px;
        border: 1px solid #333;
        }

        #fpsCounter .fps-value {
        font-size: 18px;
        font-weight: bold;
        }