#loading {
    background: rgba(0,0,0,.5) url(../images/loading-center.gif) no-repeat;
    width:100%;
    height:100%;
    position:fixed;
    top:0;
    left:0;
    z-index:999;
    display: block;
    background-position: center;
}
.error-text {
    font-size: large !important;
}