.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.modal > div {
    background-color: RGB(240, 240, 240);
    border: 1px solid RGB(200, 200, 200);
    border-radius: 4px;
    width: 550px;
    padding: 10px;
    margin: 200px auto;
}

.modal-control-buttons {
    display: flex;
    justify-content: flex-end
}