html, body {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

body {
    background: transparent url("/images/familie-in-veld (Gemiddeld).jpg") center center no-repeat;
    background-size: cover;
}
body.error {
    background: transparent url("/images/family-oops (Gemiddeld).jpg") center center no-repeat;
    background-size: cover;
    background-position-y: bottom;
}