<!DOCTYPE html>
<html>
<head>
<title>Test Page</title>
</head>
<body>
<h1>Test Page</h1>
<button>Click me</button>
<a href="#">Link</a>
<input type="text" placeholder="Enter text">
<textarea placeholder="Enter long text"></textarea>
<div contenteditable="true">Editable content</div>
<div role="button">Custom button</div>
</body>
</html>