Is there any reason why this solution won't work in SharePoint? It works well on jsfiddle. I modified the html file to add css and js reference and put the html in a cewp. What am i missing? any help will be appreciated.
https://jsfiddle.net/h353rdzx/2/
<head>
<link href="/SiteAssets/CountDown/CountDown.css" rel="stylesheet" type="text/css" />
<script src="/SiteAssets/CountDown/CountDown.js" type="text/javascript"></script>
</head>
<body>
<h1>Countdown Clock</h1>
<div id="clockdiv" class="js-clockdiv">
<div>
<span class="days"></span>
<div class="smalltext">Days</div>
</div>
<div>
<span class="hours"></span>
<div class="smalltext">Hours</div>
</div>
<div>
<span class="minutes"></span>
<div class="smalltext">Minutes</div>
</div>
<div>
<span class="seconds"></span>
<div class="smalltext">Seconds</div>
</div>
</div>
</body>