body {
    margin: 0;
    padding: 0;  
}

.entercontainer {
    height: 800px;
    width: 480px;
    position: relative;
    top: 230px;
    background-image: url("/img/SC_colonnine_V01a.jpg");
}

#body_ok {
    background-color: rgb(76, 245, 45);
}

#body_ko {
    background-color: rgb(245, 63, 45);
}

.div_ok_ko {
    position: relative;
    top: 250px;
}
.div_ok_ko h1 {
    font-size: 70px;
}