body {
    inset: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
    position: fixed;
}

#loading {
    align-items: center;
    display: flex;
    height: 100%;
    justify-content: center;
    width: 100%;
}

#loading img {
    opacity: .66;
    transition: opacity .4s;
}

#loading.main_done img {
    opacity: 1;
}

#loading.init_done img {
    opacity: 1;
}