body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

h1 {
    text-align: center;
    margin: 20px 0;
    font-size: 2em;
    color: #4CAF50;
}

#fileInput {
    display: block;
    margin: 20px auto;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 80%;
    max-width: 400px;
}

button {
    display: block;
    margin: 20px auto;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
}

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

#progress {
    text-align: center;
    margin-top: 20px;
    font-size: 1.2em;
    color: #666;
}

input[type="file"] {
    cursor: pointer;
}

#fileList li {
    margin: 10px;
}