<div class="container-fluid site-content"><div class="card"><div class="card-body text-center auth-nav" style="padding: 32px 0;border-top: 5px solid #00ff00;"> <div class="header-height-clone"></div> <main class="container mb-auto mt-auto"> <div class="carousel carousel-main"> <div class="carousel-cell"> <h3 class="mt-3 main-header-text-title"><span> <div class="row"> <div class="col-lg-12"> <div class="card"> <div class="card-header"> <h4>本站已安全运行</h4> </div> </div> </div> </div> <span id="momk"></span> <script language=javascript> function show_date_time(){ window.setTimeout("show_date_time()", 1000); BirthDay=new Date("02-12 10:10 2021");//建站日期 today=new Date(); timeold=(today.getTime()-BirthDay.getTime()); sectimeold=timeold/1000 secondsold=Math.floor(sectimeold); msPerDay=24*60*60*1000 e_daysold=timeold/msPerDay daysold=Math.floor(e_daysold); e_hrsold=(daysold-e_daysold)*-24; hrsold=Math.floor(e_hrsold); e_minsold=(hrsold-e_hrsold)*-60; minsold=Math.floor((hrsold-e_hrsold)*-60); seconds=Math.floor((minsold-e_minsold)*-60); momk.innerHTML=daysold "天" hrsold "小时" minsold "分" seconds "秒" ; } show_date_time(); </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></span> <div class="font-s12 push-20 clearfix"> <hr class="remove-margin-t"> <div style='text-align:center; padding:0px 0px 5px 0px;'>
</div> </div> </div> </div>
将以上代码加入进来，更改“//建站日期”标签前括号里内容为准确建站时间即可。
实现图
