#loading {
    background: rgba(0,0,0,.7);
    display: block;
    height: 100%;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 99998;
}
#loading img {
    background-color: #fff;
    border-radius: 5px;
    left: 48%;
    padding: 5px;
    position: absolute;
    top: 45%;
    width: 50px;
    z-index: 111111;
}