#work:before {
    background-image: url("/assets/img/top/work_bg.jpg");
    background-size: cover;
    background-position: right center;
}
@media screen and (max-width: 768px) {
    #work {
        background-image: url("/assets/img/top/work_bg.jpg");
        background-size: cover;
        background-position: right center;
    }
}

#link_zoon .center_image {
    background-image: url("/assets/img/top/contact.jpg");
    background-size: cover;
    background-position: center bottom;
}