#loadingBackground1 {background:#000;position:fixed;left:0;top:0;width:100%;height:100%;z-index:9998;opacity:0.4;display:none;}
#loadingBackground {background:#000;position:fixed;left:0;top:0;width:100%;height:100%;z-index:9998;opacity:0.4;display:none;}
#loadingBar {position:fixed;left:48%;top:45%;z-index:9999;display:none;}

.vis_v {visibility:visible;}
.vis_h {visibility:hidden;height: 0;}