<style>
    body {
        font-family: Arial, sans-serif;
        background-color: #f7f9fc;
        color: #333;
        margin: 0;
        padding: 0;
        line-height: 1.6;
    }

    h1 {
        background-color: #4CAF50;
        color: white;
        text-align: center;
        margin: 0;
        padding: 20px;
    }

    h2 {
        color: #4CAF50;
        margin: 20px 0 10px;
        font-size: 1.5em;
    }

    #imageInput, #audioInput {
        display: block;
        margin: 10px 0 20px;
        padding: 10px;
        border: 1px solid #ccc;
        border-radius: 5px;
        width: calc(100% - 20px);
        max-width: 400px;
    }

    button {
        background-color: #4CAF50;
        color: white;
        padding: 10px 15px;
        font-size: 1em;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background-color 0.3s ease;
    }

    button:hover {
        background-color: #45a049;
    }

    audio, canvas {
        display: block;
        margin: 20px auto;
        max-width: 100%;
        border: 1px solid #ddd;
        border-radius: 5px;
    }

    #downloadLink {
        display: inline-block;
        margin-top: 15px;
        padding: 10px 15px;
        background-color: #4CAF50;
        color: white;
        text-decoration: none;
        font-size: 1em;
        border-radius: 5px;
        transition: background-color 0.3s ease;
    }

    #downloadLink:hover {
        background-color: #45a049;
    }

    input[type="file"] {
        font-size: 0.9em;
        cursor: pointer;
    }

    @media (max-width: 600px) {
        h1 {
            font-size: 1.8em;
        }

        h2 {
            font-size: 1.4em;
        }

        button, #downloadLink {
            width: 100%;
            text-align: center;
        }
    }
</style>
