#customization-tool {
    padding: 20px;
    background: #f9f9f9;
}

canvas {
    border: 1px solid #ddd;
    margin: 20px 0;
}

button {
    padding: 10px 20px;
    background: #007cba;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #005f8a;
}