#loadingScreen {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    z-index: 20;
    background-color: #166BAC;
}

.loadingScreen-spinner {
    position: absolute;
    top: calc(50% - 50px);
    left: calc(50% - 50px);
    font-size: 100px;
    line-height: 100px;
    height: 100px;
    width: 100px;
    text-align: center;
    color: white;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}