#loading {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    z-index: 999999;
}

.loading-iframe {
    overflow: hidden;
    top: 0px;
    left: 0px;
    border-width: 0px;
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 999999;
}