body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
}

h1 {
    text-align: center;
    color: #333;
}

#drop-area {
    border: 2px dashed #007bff;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    margin: 20px 0;
    background-color: #fff;
    transition: background-color 0.3s;
}

#drop-area.hover {
    background-color: #e9ecef;
}

#fileElem {
    display: none;
}

#file-label {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
}

#file-label:hover {
    background-color: #0056b3;
}

#upload-button {
    display: block;
    margin: 20px auto;
    padding: 10px 20px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#upload-button:hover {
    background-color: #218838;
}

#message {
    text-align: center;
    margin-top: 20px;
    color: #dc3545;
}