.loadingPage {
    background-image: url(../img/loading.gif) !important;
    background-repeat: no-repeat !important;
    height: 100vh !important;
    width: 100vw !important;
    background-position: center;
    background-color: #000;
    background-size: 100px;
    overflow: hidden;
}

.loadingPage * {
    display: none;
}