body {
    /*background-color: #212529;*/
    background-color: #ffffff;
}

#menu {
    position: relative;
    padding: 10px;
}

#loading {
    position: absolute;
    top: 40%;
    left: 60%;
    display: block;
}

@media screen and (max-width:800px) {
    #loading {
        position: absolute;
        top: 50%;
        left: 60%;
        display: block;
    }
}