function closePopup(){document.getElementById('popup').style.display='none';}
document.addEventListener("DOMContentLoaded",function(){const popupBtn=document.querySelector(".my-popup-btn");const popup=document.getElementById("popup");popupBtn.addEventListener("click",function(){popup.style.display="flex";});popup.addEventListener("click",function(e){if(!document.getElementById('popupBox').contains(e.target)){closePopup();}});});