tures: []
            }
        );
        document.getElementById("act_card").style.display = "none";
    }

    mapstyle = new Map();
    mapstyle.set("standard",'https://api.maptiler.com/maps/ch-swisstopo-lbm/style.json?key='+maptilerApiKey);
    mapstyle.set("monochromatic",'https://api.maptiler.com/maps/backdrop/style.json?key='+maptilerApiKey);

    function changeMapstyle(style) {
        let style_source;

        switch(style) {
            case 'standard':
                style_source = mapstyle.g