.loading {    
    display: inline-block;
    width: 100px;
    height: 40px;
    border-radius: 10px;
    background: #4b8;
    margin: 4px;
    z-index:9999;
    background:url("../img/loading.gif") 50% 50% no-repeat #f9f9f9;
    opacity:1
}