div.busy-indicator {
    position:fixed;
    top: 40%;
    left: 40%;
    margin-top:  auto;
    margin-left:  auto;
    display:none;
    background: rgba(230, 230, 230, .8);
    text-align: center;
    padding-top: 20px;
    padding-left: 30px;
    padding-bottom: 40px;
    padding-right: 30px;
    border-radius: 5px;
    z-index: 2000;
}