https://www.miriamspecht.de/files/layout/js/funnel-king-popup.js?v=16635976

1(function () {
2    const button = document.querySelector('.newsletter-popup button');
3
4    function createIframePopup() {
5        const iframe = document.createElement('iframe');
6        iframe.width = '540'
7        iframe.height = '500'
8        iframe.allowFullscreen = true
9        iframe.frameBorder = 0
10        iframe.scrolling = 'auto'
11        iframe.classList.add('brevo-iframe')
12        iframe.src = "https://kontakt-29.funnel-king.de/";
13        const div = document.createElement('div')
14        div.appendChild(iframe)
15        return div;
16    }
17
18    button.addEventListener('click', function () {
19        $.colorbox({
20            innerWidth: 769,
21            innerHeight: 790,
22            maxWidth: '95%',
23            maxHeight: '90%',
24            html: createIframePopup().innerHTML,
25            closeButton: true,
26            fixed: true
27        });
28    }, false);
29})();