#loading-background {
    background: rgba(255, 255, 255,0.5);
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 99999;
    justify-content:center;
    align-items: center;
}

    #loading-background i {
        font-size: 2em !important;
    }

.hidden {
    display: none !important;
}

@media (min-width:1281px) {
    #loading-background i {
        font-size: 3em !important;
    }
}