.popup {
    display: none;
    background: #fff;
    margin: 5px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.popup .popup-content {
    padding: 20px;
}

.popup .popup-content .signature {
    background: rgba(0, 0, 0, 0.05);
    width: 300px;
    height: 200px;
    display: block;
}

.popup .popup-content label {
    font-weight: 700;
    margin: 5px 0px;
}

.popup .popup-footer {
    padding: 20px;
    background: rgba(0, 0, 0, 0.05);
    text-align: right;
}

.popup .popup-footer .btn {
    cursor: pointer;
    display: inline-block;
    background: #fff;
    float: none;
}