練習

<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="robots" content="noindex">
<title>9inebb demo</title>
<link rel="stylesheet" href="style.css">
<script src="jquery-1.11.1.min.js"></script>
</head>
<body>
<div class="tab">
<div class="tab-btn">
<div class="btn on">NEWS</div>
<div class="btn">INFO</div>
<div class="btn">CONTACT</div>
</div>

<div class="tab-content">
<div class="on">
Lorem
</div>
<div>
Lorem
</div>
<div>
Lorem
</div>
</div>
</div>
</body>
</html>