#loading {
    position: fixed;
    left: 0;
    top: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 9999997;
    opacity: 0;
    -moz-opacity: 0;
    background: #000;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    text-align: center;
    overflow: hidden;
    font-weight: 700;
    color: #fff;
    padding-top: 25%
}