笔者使用的主题是 GeneratePress 版本：3.1.3

<span id="momk" style="color: #ff0000;font-size:14px"></span><br>

<script type="text/javascript">
            function NewDate(str) {
                str = str.split('-');
                var date = new Date();
                date.setUTCFullYear(str[0], str[1] - 1, str[2]);
                date.setUTCHours(0, 0, 0, 0);
                return date;
            }
            function momxc() {
                var birthDay =NewDate("2022-07-14");
                var today=new Date();
                var timeold=today.getTime()-birthDay.getTime();
                var sectimeold=timeold/1000
                var secondsold=Math.floor(sectimeold);
                var msPerDay=24*60*60*1000; var e_daysold=timeold/msPerDay;
                var daysold=Math.floor(e_daysold);
                var e_hrsold=(daysold-e_daysold)*-24;
                var hrsold=Math.floor(e_hrsold);
                var e_minsold=(hrsold-e_hrsold)*-60;
                var minsold=Math.floor((hrsold-e_hrsold)*-60); var seconds=Math.floor((minsold-e_minsold)*-60).toString();
                document.getElementById("momk").innerHTML = 
                    "靠谱杨的小站已正常运行："+"❤️"+daysold+"天"+hrsold+"小时"+
                    minsold+"分"+seconds+"秒"+"❤️"          
                    setTimeout(momxc, 1000);
            }momxc();

            </script>

            <style>
            #momk{animation:change 10s infinite;font-weight:800; }
            @keyframes change{0%{color:#5cb85c;}25%{color:#556bd8;}50%{color:#e40707;}75%{color:#66e616;}100% {color:#67bd31;}}
            </style>