body.format-designer #page {
                background-image: url('https://m41.bdecent.io/pluginfile.php/3432/local_designer/coursebgimage/0/Bildschirmfoto%202024-02-20%20um%2017.30.47.png');
                background-size: cover;
                background-repeat: no-repeat;
                background-position: center;
            }