#wating-mask {
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100%;
    z-index: 1000;
    background-color: rgba(0,0,0,0.5);
    cursor: wait;
}
.wating-mask-center {
    position: relative;
    opacity: 1 !important;
    background-color: whitesmoke;
    border-radius: 10px;
    padding: 1em;
    min-width: 400px;
}

.hidden {
    display: none !important;
}