body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    /* Full height of the viewport */
    background-color: #f0f0f0;
    /* Background color */
}

canvas {
    border: 1px solid #000;
    /* Optional border for the canvas */
    max-width: 100%;
    /* Make canvas responsive */
    height: auto;
    /* Maintain aspect ratio */
    background-color: rgba(255, 255, 255, 0.8);
    /* Light background for better visibility */
    touch-action: none;
    /* Prevent touch actions */
}