<!DOCTYPE html>
<html>
<head>
<title>404 Error: Page Not Found</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f2f2f2;
padding: 50px;
}
h1 {
font-size: 36px;
color: #333;
}
p {
font-size: 20px;
color: #555;
}
</style>
</head>
<body>
<h1>404 Error: Page Not Found</h1>
<p>We're sorry, but the page you are looking for does not exist. It may have been moved, deleted, or never existed at all.</p>
<p>Please check the URL or navigate back to our <a href="/">homepage</a>.</p>
</body>
</html>