document.querySelectorAll(".footer-accordion .fa-title").forEach(function(btn){ btn.addEventListener("click", function(){ const item = btn.parentElement; // toggle class item.classList.toggle("active"); const content = item.querySelector(".fa-content"); if (item.classList.contains("active")) { content.style.maxHeight = content.scrollHeight + "px"; } else { content.style.maxHeight = "0px"; } }); });