#maintenance {
    position: fixed;
    z-index: 999999;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #e4e3e3;
    text-align: center;
}
#maintenance h2 {
    margin-top: 20px;
    font-size: 33px;
    color: #535353;
    font-weight: bold;
}