.loadingSpinner {
width: 100px;
    height: 100px;

    position: absolute;
    top:0;
    bottom: 0;
    left: 0;
    right: 0;

    margin: auto;

    z-index: 200;
}

.loadingBackground {
    position: fixed;
    left: 0px;
    top: 0px;
    height: 100%;
    width: 100%;
    background-color: black;
    opacity: 0.5;
    z-index: 100;
}