.pageOverlay {
    top: 0;
    left: 0;
    position: absolute;
    height: 100%;
    width: 100%;
    z-index: 1001;
    display: block;
}
 
#loadingOverlay {
    background:  #fff url('//ajax.googleapis.com/ajax/libs/dojo/1.7.4/dijit/themes/claro/images/loadingAnimation.gif') no-repeat 10px 23px;
}
 
.loadingMessage {
    padding: 25px 40px;
    color: #999;
}