#loading{
 width:100%;
 height:100%;
 top:0;
 left:0;
 position:fixed;
 display:none;
 opacity:.7;
 background-color:#fff;
 z-index:999;
 text-align:center;
}

#loading-image{
 display:block;
 margin-top:50px;
 margin-left:auto;
 margin-right:auto;
 z-index:1000;
}

#mask{
 width:100%;
 height:100%;
 top:0;
 left:0;
 position:fixed;
 display:none;
 opacity:.9;
 background-color:#fff;
 z-index:499;
 text-align:center;
}