<!doctype HTML>
<html>
<head>
<title>Tiêu đề trang web</title>
<meta charshet = "UTF-8"/>
</head>
<body>
<iframe src="header.html" scrolling="no" allow="fullscreen" style="margin-bottom: 5px; padding: 5px; border: 2px solid red; width: 99%; height: 80px;"></iframe>
<iframe src="menu-left.html" scrolling="no" allow="fullscreen" style="float:left; padding: 5px; border: 2px solid red; width: 20%; height: 300px;"></iframe>
<div style="float:right; padding: 5px; border: 2px solid red; width: 77%; min-height: 300px;">
<h4>Hiển thị nội dung</h4>
</div>
</div>
<iframe src="footer.html" frameborder="0" scrolling="no" allow="fullscreen" style="margin-top: 5px; padding: 5px; border: 2px solid red; width: 99%; height: 60px;"></iframe>
</body>
</html>
