.loading {
    width: 200px;
    height: 150px;
    position: fixed;
    display: none;
    top: 50%;
    left: 50%;
    margin-left: -100px;
    margin-top: -75px;
    background-color: white;
    background-image: url("../img/loading.gif");
    background-position: center center;
    background-repeat: no-repeat;
    -webkit-box-shadow: 1px 1px 5px 1px rgba(168,168,168,0.65);
    -moz-box-shadow: 1px 1px 5px 1px rgba(168,168,168,0.65);
    box-shadow: 1px 1px 5px 1px rgba(168,168,168,0.65);
    z-index:100000;
}