#header {
    background-image: url('../img/core/demetra/header-demetra.jpg');
}
#center {
    background-image: url('../img/core/demetra/center-demetra.jpg');
}
#right {
    background-image: url('../img/core/demetra/right-demetra.jpg');
}
#coach {
    background-image: url('../img/core/demetra/coach-demetra.jpg');
    height: 172px;
}