clipboard.on("success", function(e) {
    e.trigger.classList.remove("url-copy");
    e.trigger.classList.remove("far");
    e.trigger.classList.remove("fa-copy");
    e.trigger.classList.add("url-copied");
    e.trigger.classList.add("fas");
    e.trigger.classList.add("fa-check");
    setTimeout(function(){
      e.trigger.classList.remove("url-copied");
      e.trigger.classList.remove("fas");

                "    document.body.classList.toggle('dark-theme');" +
                "} else if (currentTheme == 'light') {" +
                "    document.body.classList.toggle('light-theme');" +
                "}" +
                "btn.addEventListener('click', function () {" +
                "   if (prefersDarkScheme.matches) {" +
                "        document.body.classList.toggle('light-theme');" +