$('.btn-copy-email .tn-atom').attr('onclick', 'copytext2(".text-copy-email .tn-atom")');
    function copytext2(el) {
        var $tmp = $("");
        $("body").append($tmp);
        $tmp.val($(el).text()).select();
        document.execCommand("copy");
        $tmp.remove();
    }


    .btn-copy-email {
        cursor:pointer;
    }