#GifContainer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 10000000;
    opacity: 0.87;
    filter: alpha(opacity=40);  /*For IE8 and earlier */
    background-image: url('../img/loadingGif.gif'); 
    background-size: 260px 160px;
    background-color: #ffffff;
    background-repeat: no-repeat;
    background-position: center;
}