.mb-csv-btn {
    background-color: #4CAF50; /* Green */
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    cursor: pointer;
}
.mb-csv-btn:disabled {
    border: 1px solid #999999;
    background-color: #cccccc;
    color: #666666;
}

#csv-loading {
    display: none;
}