<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
#example {
visibility: hidden;
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
text-align: center;
z-index: 1000;
}
</style>
</head>
<body>
<div id="example">
<div>
<p>Any content</p>
</div>
</div>
</body>
</html>