frame.style.cssText = 'width:100%;height:900px;border:0;display:block;'; old.replaceWith(frame); return true; } if (!installForm()) { const observer = new MutationObserver(() => { if (installForm()) observer.disconnect(); }); observer.observe(document.documentElement, { childList: true, subtree: true }); setTimeout(() => observer.disconnect(), 15000); } })();