.wrapper {
    border-top: 5px orange solid;
    background-image: url(../img/maintenance.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    height: 100%;
}
.maintenanceMsg{
    text-align: center;
}
footer{
    position: absolute;
    width: 100%;
    text-align: center;
    bottom: 0px;
    border-bottom: 5px orange solid;
    font-weight: bold;
}