#divProcessing {
    margin: 0px;
    padding: 0px;
    position: fixed;
    right: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    background-color: #666666;
    z-index: 30001;
    opacity: .8;
    display: none;
}

#divProcessing p {
    position: absolute;
    top: 50%;
    left: 50%;
    color: white;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
}