body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
}

header {
    background-color: #333;
    color: white;
    padding: 10px;
}

.controls {
    margin: 15px 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    align-items: center;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

button:disabled {
    background-color: #ccc;
}

.canvas-container {
    width: 100%;
    overflow: auto;
    display: flex;
    justify-content: center;
}

canvas {
    border: 1px solid #ccc;
    max-width: 100%;
    height: auto;
}

#install-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #28a745;
    z-index: 1000;
}