<!DOCTYPE html>
<html>
<head>
<title>CSS visibility property</title>
<style type="text/css">
li.first {
visibility: visible;
}
li.second {
visibility: hidden;
}
</style>
</head>
<body>
<p>First block paragraph</p>
<ul>
<li class="first">This is block menu.1</li>
<li class="second">This is block menu.2</li>
</ul>
<p>Another block paragraph</p>
<ul>
<li>This is block menu.1</li>
<li>This is block menu.2</li>
</ul>
</body>
</html>
