<!DOCTYPE html>
<html>
<head>
<title>404 Not Found</title>
<style>
.container {
text-align: center;
}
</style>
</head>
<body>
<div class="container">
<h1>404 Not Found</h1>
<div><a id="link" href="/">Try this link</a></div>
<div>or</div>
<div><a href="/">Back to Home</a></div>
</div>
<script>
var prefix = "https://github.com/siongui/userpages/blob/master/content";
var redirect_url = prefix + window.location.pathname;
var linkElm = document.getElementById("link");
linkElm.href = redirect_url;
</script>
</body>
</html>