body:after {
    background-color: #00579d;
    background-image: url("/customers/overload/form/mmjt/css/OUVERTURE.png");
    background-size: 100%;
    background-repeat: no-repeat;
    background-position-x: center;
    background-position-y: bottom;
    content: ' ';
    width: 100%;
    max-width: 606px;
    aspect-ratio: 16 / 5;
    height: auto;
    display: block;
    margin: 0 auto;
}

body {
    background-color: #00579d !important;
}