<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Test Page - Element States</title>
</head>
<body>
<h1>Element States Test</h1>
<input type="text" id="enabled-input" value="enabled" />
<input type="text" id="disabled-input" value="disabled" disabled />
<input type="checkbox" id="checked-box" checked />
<input type="checkbox" id="unchecked-box" />
<div id="visible-div">Visible</div>
<div id="hidden-div" style="display: none;">Hidden</div>
<input type="text" id="readonly-input" readonly value="readonly" />
</body>
</html>