#loading {
    position: fixed !important;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: #fff;
    opacity: 0.7;
    z-index: 9999;
    text-align: center;
    display: none;
}

#loading>div {
    width: 100%;
    height: 100%;
    align-items: center;
}

#loading .spinner-border {
    width: 5rem;
    height: 5rem;
}