求官方的彈出公告代碼

<style type="text/css">
.kffixedgzhbg{width:100%;height:100%;background:#000; position:fixed;top:0;left:0;z-index:1000; opacity:0.7;filter:alpha(opacity =70); display: none;}
.kffixedgzhbox{height:auto; width:80%; min-height:300px; color:#444444; z-index:2000; margin:auto; position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); border-radius:5px; background-color:#FFFFFF; text-align: center; overflow: hidden; display: none;}
.kffixedgzhbox .title{ font-size: 20px; line-height: 35px; color: #000000; margin-top: 15px;}
.kffixedgzhbox .title em{ background: url("/images/ico_title1.png") no-repeat 0px 10px; margin: 0px 5px; background-size: 20px; display: inline-block; width: 25px; height: 24px;}
.kffixedgzhbox .title em:last-of-type{background-image: url("/images/ico_title2.png");}
.kffixedgzhbox .title1{ font-size: 14px; line-height: 20px; color: #1fbf8c; margin-bottom: 10px;}
.kffixedgzhbox .qrcode{ width: 200px; margin: auto;}
.kffixedgzhbox .qrcode img{ width: 200px;}
.kffixedgzhbox .close{ border-top:1px solid #efefef; line-height: 55px; font-size: 18px; letter-spacing: 2px; background-color: #fafafa;}
</style>
<div class="kffixedgzhbg"></div>
<div class="kffixedgzhbox">
<div class="title"><em></em>謝謝你的關注<em></em></div>
<div class="qrcode"><img src="/template/images/qrcode/gzh.png" /></div>
<div class="title1">長按二維碼關注“${WebName}”公眾號</div>
<div class="close">關閉</div>
</div>
<script type="text/javascript" src="/js/m.js"></script>
<script type="text/javascript">
function getCookie(name) 
{
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
    if(arr != null) return unescape(arr[2]); return "";
}
function setCookie(name,value,Days)
{
	var exp = new Date();
    exp.setTime(exp.getTime() + Days*24*60*60*1000);
    document.cookie = name + "="+ escape (value) + ";path=/;expires=" + exp.toGMTString();
}
$(function(){
	var ua = navigator.userAgent.toLowerCase();
	if (ua.match(/MicroMessenger/i) == "micromessenger")
	{
		if(getCookie("fixedgzh")=="")
		{
			setCookie("fixedgzh","1",7);
			$(".kffixedgzhbg").show();
			$(".kffixedgzhbox").show();
		}
	}
	$(".kffixedgzhbox .close").on("click",function(e){
		$(".kffixedgzhbg").hide();
		$(".kffixedgzhbox").hide();
	});
});
</script>