.jb-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center;
    z-index: 10000;
}
.jb-modal-content {
    background: #fff; padding: 30px; border-radius: 10px;
    text-align: center; position: relative; width: 300px;
}
.jb-close {
    position: absolute; top: 10px; right: 15px; cursor: pointer; font-size: 20px;
}
.jb-check {
    font-size: 40px; color: green; margin-bottom: 15px;
}