#preloader{position:fixed;top:0;left:0;width:100%;height:100%;background:#000;z-index:99999999}#status{width:200px;height:200px;position:absolute;left:50%;top:50%;background-image:url(../images/ajax-loader.gif);background-repeat:no-repeat;background-position:center;margin:-100px 0 0 -100px}