#expert-form-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    border: 1px solid #ccc;
    padding: 20px;
    z-index: 9999;
    display: none;
    width: 300px;
}
#expert-form-modal form label {
    display: block;
    margin-bottom: 10px;
}